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netfilter: nft_set_rbtree: fix panic when destroying set by GC
[linux/fpc-iii.git] / fs / compat_ioctl.c
blob9907475b422624cc10b262e84d57aee3150f00db
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
4 *
5 * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com)
6 * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
7 * Copyright (C) 2001,2002 Andi Kleen, SuSE Labs
8 * Copyright (C) 2003 Pavel Machek (pavel@ucw.cz)
9 *
10 * These routines maintain argument size conversion between 32bit and 64bit
11 * ioctls.
12 */
13
14 #include <linux/joystick.h>
15
16 #include <linux/types.h>
17 #include <linux/compat.h>
18 #include <linux/kernel.h>
19 #include <linux/capability.h>
20 #include <linux/compiler.h>
21 #include <linux/sched.h>
22 #include <linux/smp.h>
23 #include <linux/ioctl.h>
24 #include <linux/if.h>
25 #include <linux/if_bridge.h>
26 #include <linux/raid/md_u.h>
27 #include <linux/kd.h>
28 #include <linux/route.h>
29 #include <linux/in6.h>
30 #include <linux/ipv6_route.h>
31 #include <linux/skbuff.h>
32 #include <linux/netlink.h>
33 #include <linux/vt.h>
34 #include <linux/falloc.h>
35 #include <linux/fs.h>
36 #include <linux/file.h>
37 #include <linux/ppp_defs.h>
38 #include <linux/ppp-ioctl.h>
39 #include <linux/if_pppox.h>
40 #include <linux/mtio.h>
41 #include <linux/tty.h>
42 #include <linux/vt_kern.h>
43 #include <linux/fb.h>
44 #include <linux/videodev2.h>
45 #include <linux/netdevice.h>
46 #include <linux/raw.h>
47 #include <linux/blkdev.h>
48 #include <linux/elevator.h>
49 #include <linux/rtc.h>
50 #include <linux/pci.h>
51 #include <linux/serial.h>
52 #include <linux/if_tun.h>
53 #include <linux/ctype.h>
54 #include <linux/syscalls.h>
55 #include <linux/atalk.h>
56 #include <linux/gfp.h>
57 #include <linux/cec.h>
58
59 #include "internal.h"
60
61 #include <net/bluetooth/bluetooth.h>
62 #include <net/bluetooth/hci_sock.h>
63 #include <net/bluetooth/rfcomm.h>
64
65 #include <linux/capi.h>
66 #include <linux/gigaset_dev.h>
67
68 #ifdef CONFIG_BLOCK
69 #include <linux/cdrom.h>
70 #include <linux/fd.h>
71 #include <scsi/scsi.h>
72 #include <scsi/scsi_ioctl.h>
73 #include <scsi/sg.h>
74 #endif
75
76 #include <linux/uaccess.h>
77 #include <linux/ethtool.h>
78 #include <linux/mii.h>
79 #include <linux/if_bonding.h>
80 #include <linux/watchdog.h>
81
82 #include <linux/soundcard.h>
83 #include <linux/lp.h>
84 #include <linux/ppdev.h>
85
86 #include <linux/atm.h>
87 #include <linux/atmarp.h>
88 #include <linux/atmclip.h>
89 #include <linux/atmdev.h>
90 #include <linux/atmioc.h>
91 #include <linux/atmlec.h>
92 #include <linux/atmmpc.h>
93 #include <linux/atmsvc.h>
94 #include <linux/atm_tcp.h>
95 #include <linux/sonet.h>
96 #include <linux/atm_suni.h>
97
98 #include <linux/usb.h>
99 #include <linux/usbdevice_fs.h>
100 #include <linux/nbd.h>
101 #include <linux/random.h>
102 #include <linux/filter.h>
103
104 #include <linux/hiddev.h>
105
106 #define __DVB_CORE__
107 #include <linux/dvb/audio.h>
108 #include <linux/dvb/dmx.h>
109 #include <linux/dvb/frontend.h>
110 #include <linux/dvb/video.h>
111
112 #include <linux/sort.h>
113
114 #ifdef CONFIG_SPARC
115 #include <asm/fbio.h>
116 #endif
117
118 #define convert_in_user(srcptr, dstptr) \
119 ({ \
120 typeof(*srcptr) val; \
121 \
122 get_user(val, srcptr) || put_user(val, dstptr); \
123 })
124
125 static int do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
126 {
127 int err;
128
129 err = security_file_ioctl(file, cmd, arg);
130 if (err)
131 return err;
132
133 return vfs_ioctl(file, cmd, arg);
134 }
135
136 struct compat_video_event {
137 int32_t type;
138 compat_time_t timestamp;
139 union {
140 video_size_t size;
141 unsigned int frame_rate;
142 } u;
143 };
144
145 static int do_video_get_event(struct file *file,
146 unsigned int cmd, struct compat_video_event __user *up)
147 {
148 struct video_event __user *kevent =
149 compat_alloc_user_space(sizeof(*kevent));
150 int err;
151
152 if (kevent == NULL)
153 return -EFAULT;
154
155 err = do_ioctl(file, cmd, (unsigned long)kevent);
156 if (!err) {
157 err = convert_in_user(&kevent->type, &up->type);
158 err |= convert_in_user(&kevent->timestamp, &up->timestamp);
159 err |= convert_in_user(&kevent->u.size.w, &up->u.size.w);
160 err |= convert_in_user(&kevent->u.size.h, &up->u.size.h);
161 err |= convert_in_user(&kevent->u.size.aspect_ratio,
162 &up->u.size.aspect_ratio);
163 if (err)
164 err = -EFAULT;
165 }
166
167 return err;
168 }
169
170 struct compat_video_still_picture {
171 compat_uptr_t iFrame;
172 int32_t size;
173 };
174
175 static int do_video_stillpicture(struct file *file,
176 unsigned int cmd, struct compat_video_still_picture __user *up)
177 {
178 struct video_still_picture __user *up_native;
179 compat_uptr_t fp;
180 int32_t size;
181 int err;
182
183 err = get_user(fp, &up->iFrame);
184 err |= get_user(size, &up->size);
185 if (err)
186 return -EFAULT;
187
188 up_native =
189 compat_alloc_user_space(sizeof(struct video_still_picture));
190
191 err = put_user(compat_ptr(fp), &up_native->iFrame);
192 err |= put_user(size, &up_native->size);
193 if (err)
194 return -EFAULT;
195
196 err = do_ioctl(file, cmd, (unsigned long) up_native);
197
198 return err;
199 }
200
201 struct compat_video_spu_palette {
202 int length;
203 compat_uptr_t palette;
204 };
205
206 static int do_video_set_spu_palette(struct file *file,
207 unsigned int cmd, struct compat_video_spu_palette __user *up)
208 {
209 struct video_spu_palette __user *up_native;
210 compat_uptr_t palp;
211 int length, err;
212
213 err = get_user(palp, &up->palette);
214 err |= get_user(length, &up->length);
215 if (err)
216 return -EFAULT;
217
218 up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
219 err = put_user(compat_ptr(palp), &up_native->palette);
220 err |= put_user(length, &up_native->length);
221 if (err)
222 return -EFAULT;
223
224 err = do_ioctl(file, cmd, (unsigned long) up_native);
225
226 return err;
227 }
228
229 #ifdef CONFIG_BLOCK
230 typedef struct sg_io_hdr32 {
231 compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
232 compat_int_t dxfer_direction; /* [i] data transfer direction */
233 unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
234 unsigned char mx_sb_len; /* [i] max length to write to sbp */
235 unsigned short iovec_count; /* [i] 0 implies no scatter gather */
236 compat_uint_t dxfer_len; /* [i] byte count of data transfer */
237 compat_uint_t dxferp; /* [i], [*io] points to data transfer memory
238 or scatter gather list */
239 compat_uptr_t cmdp; /* [i], [*i] points to command to perform */
240 compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */
241 compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
242 compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */
243 compat_int_t pack_id; /* [i->o] unused internally (normally) */
244 compat_uptr_t usr_ptr; /* [i->o] unused internally */
245 unsigned char status; /* [o] scsi status */
246 unsigned char masked_status; /* [o] shifted, masked scsi status */
247 unsigned char msg_status; /* [o] messaging level data (optional) */
248 unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
249 unsigned short host_status; /* [o] errors from host adapter */
250 unsigned short driver_status; /* [o] errors from software driver */
251 compat_int_t resid; /* [o] dxfer_len - actual_transferred */
252 compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */
253 compat_uint_t info; /* [o] auxiliary information */
254 } sg_io_hdr32_t; /* 64 bytes long (on sparc32) */
255
256 typedef struct sg_iovec32 {
257 compat_uint_t iov_base;
258 compat_uint_t iov_len;
259 } sg_iovec32_t;
260
261 static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
262 {
263 sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
264 sg_iovec32_t __user *iov32 = dxferp;
265 int i;
266
267 for (i = 0; i < iovec_count; i++) {
268 u32 base, len;
269
270 if (get_user(base, &iov32[i].iov_base) ||
271 get_user(len, &iov32[i].iov_len) ||
272 put_user(compat_ptr(base), &iov[i].iov_base) ||
273 put_user(len, &iov[i].iov_len))
274 return -EFAULT;
275 }
276
277 if (put_user(iov, &sgio->dxferp))
278 return -EFAULT;
279 return 0;
280 }
281
282 static int sg_ioctl_trans(struct file *file, unsigned int cmd,
283 sg_io_hdr32_t __user *sgio32)
284 {
285 sg_io_hdr_t __user *sgio;
286 u16 iovec_count;
287 u32 data;
288 void __user *dxferp;
289 int err;
290 int interface_id;
291
292 if (get_user(interface_id, &sgio32->interface_id))
293 return -EFAULT;
294 if (interface_id != 'S')
295 return do_ioctl(file, cmd, (unsigned long)sgio32);
296
297 if (get_user(iovec_count, &sgio32->iovec_count))
298 return -EFAULT;
299
300 {
301 void __user *top = compat_alloc_user_space(0);
302 void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
303 (iovec_count * sizeof(sg_iovec_t)));
304 if (new > top)
305 return -EINVAL;
306
307 sgio = new;
308 }
309
310 /* Ok, now construct. */
311 if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
312 (2 * sizeof(int)) +
313 (2 * sizeof(unsigned char)) +
314 (1 * sizeof(unsigned short)) +
315 (1 * sizeof(unsigned int))))
316 return -EFAULT;
317
318 if (get_user(data, &sgio32->dxferp))
319 return -EFAULT;
320 dxferp = compat_ptr(data);
321 if (iovec_count) {
322 if (sg_build_iovec(sgio, dxferp, iovec_count))
323 return -EFAULT;
324 } else {
325 if (put_user(dxferp, &sgio->dxferp))
326 return -EFAULT;
327 }
328
329 {
330 unsigned char __user *cmdp;
331 unsigned char __user *sbp;
332
333 if (get_user(data, &sgio32->cmdp))
334 return -EFAULT;
335 cmdp = compat_ptr(data);
336
337 if (get_user(data, &sgio32->sbp))
338 return -EFAULT;
339 sbp = compat_ptr(data);
340
341 if (put_user(cmdp, &sgio->cmdp) ||
342 put_user(sbp, &sgio->sbp))
343 return -EFAULT;
344 }
345
346 if (copy_in_user(&sgio->timeout, &sgio32->timeout,
347 3 * sizeof(int)))
348 return -EFAULT;
349
350 if (get_user(data, &sgio32->usr_ptr))
351 return -EFAULT;
352 if (put_user(compat_ptr(data), &sgio->usr_ptr))
353 return -EFAULT;
354
355 err = do_ioctl(file, cmd, (unsigned long) sgio);
356
357 if (err >= 0) {
358 void __user *datap;
359
360 if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
361 sizeof(int)) ||
362 get_user(datap, &sgio->usr_ptr) ||
363 put_user((u32)(unsigned long)datap,
364 &sgio32->usr_ptr) ||
365 copy_in_user(&sgio32->status, &sgio->status,
366 (4 * sizeof(unsigned char)) +
367 (2 * sizeof(unsigned short)) +
368 (3 * sizeof(int))))
369 err = -EFAULT;
370 }
371
372 return err;
373 }
374
375 struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
376 char req_state;
377 char orphan;
378 char sg_io_owned;
379 char problem;
380 int pack_id;
381 compat_uptr_t usr_ptr;
382 unsigned int duration;
383 int unused;
384 };
385
386 static int sg_grt_trans(struct file *file,
387 unsigned int cmd, struct compat_sg_req_info __user *o)
388 {
389 int err, i;
390 sg_req_info_t __user *r;
391 r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
392 err = do_ioctl(file, cmd, (unsigned long)r);
393 if (err < 0)
394 return err;
395 for (i = 0; i < SG_MAX_QUEUE; i++) {
396 void __user *ptr;
397 int d;
398
399 if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
400 get_user(ptr, &r[i].usr_ptr) ||
401 get_user(d, &r[i].duration) ||
402 put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
403 put_user(d, &o[i].duration))
404 return -EFAULT;
405 }
406 return err;
407 }
408 #endif /* CONFIG_BLOCK */
409
410 struct sock_fprog32 {
411 unsigned short len;
412 compat_caddr_t filter;
413 };
414
415 #define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
416 #define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
417
418 static int ppp_sock_fprog_ioctl_trans(struct file *file,
419 unsigned int cmd, struct sock_fprog32 __user *u_fprog32)
420 {
421 struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
422 void __user *fptr64;
423 u32 fptr32;
424 u16 flen;
425
426 if (get_user(flen, &u_fprog32->len) ||
427 get_user(fptr32, &u_fprog32->filter))
428 return -EFAULT;
429
430 fptr64 = compat_ptr(fptr32);
431
432 if (put_user(flen, &u_fprog64->len) ||
433 put_user(fptr64, &u_fprog64->filter))
434 return -EFAULT;
435
436 if (cmd == PPPIOCSPASS32)
437 cmd = PPPIOCSPASS;
438 else
439 cmd = PPPIOCSACTIVE;
440
441 return do_ioctl(file, cmd, (unsigned long) u_fprog64);
442 }
443
444 struct ppp_option_data32 {
445 compat_caddr_t ptr;
446 u32 length;
447 compat_int_t transmit;
448 };
449 #define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
450
451 struct ppp_idle32 {
452 compat_time_t xmit_idle;
453 compat_time_t recv_idle;
454 };
455 #define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
456
457 static int ppp_gidle(struct file *file, unsigned int cmd,
458 struct ppp_idle32 __user *idle32)
459 {
460 struct ppp_idle __user *idle;
461 __kernel_time_t xmit, recv;
462 int err;
463
464 idle = compat_alloc_user_space(sizeof(*idle));
465
466 err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle);
467
468 if (!err) {
469 if (get_user(xmit, &idle->xmit_idle) ||
470 get_user(recv, &idle->recv_idle) ||
471 put_user(xmit, &idle32->xmit_idle) ||
472 put_user(recv, &idle32->recv_idle))
473 err = -EFAULT;
474 }
475 return err;
476 }
477
478 static int ppp_scompress(struct file *file, unsigned int cmd,
479 struct ppp_option_data32 __user *odata32)
480 {
481 struct ppp_option_data __user *odata;
482 __u32 data;
483 void __user *datap;
484
485 odata = compat_alloc_user_space(sizeof(*odata));
486
487 if (get_user(data, &odata32->ptr))
488 return -EFAULT;
489
490 datap = compat_ptr(data);
491 if (put_user(datap, &odata->ptr))
492 return -EFAULT;
493
494 if (copy_in_user(&odata->length, &odata32->length,
495 sizeof(__u32) + sizeof(int)))
496 return -EFAULT;
497
498 return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata);
499 }
500
501 #ifdef CONFIG_BLOCK
502 struct mtget32 {
503 compat_long_t mt_type;
504 compat_long_t mt_resid;
505 compat_long_t mt_dsreg;
506 compat_long_t mt_gstat;
507 compat_long_t mt_erreg;
508 compat_daddr_t mt_fileno;
509 compat_daddr_t mt_blkno;
510 };
511 #define MTIOCGET32 _IOR('m', 2, struct mtget32)
512
513 struct mtpos32 {
514 compat_long_t mt_blkno;
515 };
516 #define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
517
518 static int mt_ioctl_trans(struct file *file,
519 unsigned int cmd, void __user *argp)
520 {
521 /* NULL initialization to make gcc shut up */
522 struct mtget __user *get = NULL;
523 struct mtget32 __user *umget32;
524 struct mtpos __user *pos = NULL;
525 struct mtpos32 __user *upos32;
526 unsigned long kcmd;
527 void *karg;
528 int err = 0;
529
530 switch(cmd) {
531 case MTIOCPOS32:
532 kcmd = MTIOCPOS;
533 pos = compat_alloc_user_space(sizeof(*pos));
534 karg = pos;
535 break;
536 default: /* MTIOCGET32 */
537 kcmd = MTIOCGET;
538 get = compat_alloc_user_space(sizeof(*get));
539 karg = get;
540 break;
541 }
542 if (karg == NULL)
543 return -EFAULT;
544 err = do_ioctl(file, kcmd, (unsigned long)karg);
545 if (err)
546 return err;
547 switch (cmd) {
548 case MTIOCPOS32:
549 upos32 = argp;
550 err = convert_in_user(&pos->mt_blkno, &upos32->mt_blkno);
551 break;
552 case MTIOCGET32:
553 umget32 = argp;
554 err = convert_in_user(&get->mt_type, &umget32->mt_type);
555 err |= convert_in_user(&get->mt_resid, &umget32->mt_resid);
556 err |= convert_in_user(&get->mt_dsreg, &umget32->mt_dsreg);
557 err |= convert_in_user(&get->mt_gstat, &umget32->mt_gstat);
558 err |= convert_in_user(&get->mt_erreg, &umget32->mt_erreg);
559 err |= convert_in_user(&get->mt_fileno, &umget32->mt_fileno);
560 err |= convert_in_user(&get->mt_blkno, &umget32->mt_blkno);
561 break;
562 }
563 return err ? -EFAULT: 0;
564 }
565
566 #endif /* CONFIG_BLOCK */
567
568 /* Bluetooth ioctls */
569 #define HCIUARTSETPROTO _IOW('U', 200, int)
570 #define HCIUARTGETPROTO _IOR('U', 201, int)
571 #define HCIUARTGETDEVICE _IOR('U', 202, int)
572 #define HCIUARTSETFLAGS _IOW('U', 203, int)
573 #define HCIUARTGETFLAGS _IOR('U', 204, int)
574
575 #define BNEPCONNADD _IOW('B', 200, int)
576 #define BNEPCONNDEL _IOW('B', 201, int)
577 #define BNEPGETCONNLIST _IOR('B', 210, int)
578 #define BNEPGETCONNINFO _IOR('B', 211, int)
579 #define BNEPGETSUPPFEAT _IOR('B', 212, int)
580
581 #define CMTPCONNADD _IOW('C', 200, int)
582 #define CMTPCONNDEL _IOW('C', 201, int)
583 #define CMTPGETCONNLIST _IOR('C', 210, int)
584 #define CMTPGETCONNINFO _IOR('C', 211, int)
585
586 #define HIDPCONNADD _IOW('H', 200, int)
587 #define HIDPCONNDEL _IOW('H', 201, int)
588 #define HIDPGETCONNLIST _IOR('H', 210, int)
589 #define HIDPGETCONNINFO _IOR('H', 211, int)
590
591
592 struct serial_struct32 {
593 compat_int_t type;
594 compat_int_t line;
595 compat_uint_t port;
596 compat_int_t irq;
597 compat_int_t flags;
598 compat_int_t xmit_fifo_size;
599 compat_int_t custom_divisor;
600 compat_int_t baud_base;
601 unsigned short close_delay;
602 char io_type;
603 char reserved_char[1];
604 compat_int_t hub6;
605 unsigned short closing_wait; /* time to wait before closing */
606 unsigned short closing_wait2; /* no longer used... */
607 compat_uint_t iomem_base;
608 unsigned short iomem_reg_shift;
609 unsigned int port_high;
610 /* compat_ulong_t iomap_base FIXME */
611 compat_int_t reserved[1];
612 };
613
614 static int serial_struct_ioctl(struct file *file,
615 unsigned cmd, struct serial_struct32 __user *ss32)
616 {
617 typedef struct serial_struct32 SS32;
618 int err;
619 struct serial_struct __user *ss = compat_alloc_user_space(sizeof(*ss));
620 __u32 udata;
621 unsigned int base;
622 unsigned char *iomem_base;
623
624 if (ss == NULL)
625 return -EFAULT;
626 if (cmd == TIOCSSERIAL) {
627 if (copy_in_user(ss, ss32, offsetof(SS32, iomem_base)) ||
628 get_user(udata, &ss32->iomem_base))
629 return -EFAULT;
630 iomem_base = compat_ptr(udata);
631 if (put_user(iomem_base, &ss->iomem_base) ||
632 convert_in_user(&ss32->iomem_reg_shift,
633 &ss->iomem_reg_shift) ||
634 convert_in_user(&ss32->port_high, &ss->port_high) ||
635 put_user(0UL, &ss->iomap_base))
636 return -EFAULT;
637 }
638 err = do_ioctl(file, cmd, (unsigned long)ss);
639 if (cmd == TIOCGSERIAL && err >= 0) {
640 if (copy_in_user(ss32, ss, offsetof(SS32, iomem_base)) ||
641 get_user(iomem_base, &ss->iomem_base))
642 return -EFAULT;
643 base = (unsigned long)iomem_base >> 32 ?
644 0xffffffff : (unsigned)(unsigned long)iomem_base;
645 if (put_user(base, &ss32->iomem_base) ||
646 convert_in_user(&ss->iomem_reg_shift,
647 &ss32->iomem_reg_shift) ||
648 convert_in_user(&ss->port_high, &ss32->port_high))
649 return -EFAULT;
650 }
651 return err;
652 }
653
654 #define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
655 #define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t)
656 #define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
657 #define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
658
659 static int rtc_ioctl(struct file *file,
660 unsigned cmd, void __user *argp)
661 {
662 unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
663 int ret;
664
665 if (valp == NULL)
666 return -EFAULT;
667 switch (cmd) {
668 case RTC_IRQP_READ32:
669 case RTC_EPOCH_READ32:
670 ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ?
671 RTC_IRQP_READ : RTC_EPOCH_READ,
672 (unsigned long)valp);
673 if (ret)
674 return ret;
675 return convert_in_user(valp, (unsigned int __user *)argp);
676 case RTC_IRQP_SET32:
677 return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp);
678 case RTC_EPOCH_SET32:
679 return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp);
680 }
681
682 return -ENOIOCTLCMD;
683 }
684
685 /* on ia32 l_start is on a 32-bit boundary */
686 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
687 struct space_resv_32 {
688 __s16 l_type;
689 __s16 l_whence;
690 __s64 l_start __attribute__((packed));
691 /* len == 0 means until end of file */
692 __s64 l_len __attribute__((packed));
693 __s32 l_sysid;
694 __u32 l_pid;
695 __s32 l_pad[4]; /* reserve area */
696 };
697
698 #define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
699 #define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
700
701 /* just account for different alignment */
702 static int compat_ioctl_preallocate(struct file *file,
703 struct space_resv_32 __user *p32)
704 {
705 struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
706
707 if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
708 copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
709 copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
710 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
711 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
712 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
713 copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
714 return -EFAULT;
715
716 return ioctl_preallocate(file, p);
717 }
718 #endif
719
720 /*
721 * simple reversible transform to make our table more evenly
722 * distributed after sorting.
723 */
724 #define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
725
726 #define COMPATIBLE_IOCTL(cmd) XFORM((u32)cmd),
727 /* ioctl should not be warned about even if it's not implemented.
728 Valid reasons to use this:
729 - It is implemented with ->compat_ioctl on some device, but programs
730 call it on others too.
731 - The ioctl is not implemented in the native kernel, but programs
732 call it commonly anyways.
733 Most other reasons are not valid. */
734 #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
735
736 static unsigned int ioctl_pointer[] = {
737 /* compatible ioctls first */
738 COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */
739 COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */
740
741 /* Big T */
742 COMPATIBLE_IOCTL(TCGETA)
743 COMPATIBLE_IOCTL(TCSETA)
744 COMPATIBLE_IOCTL(TCSETAW)
745 COMPATIBLE_IOCTL(TCSETAF)
746 COMPATIBLE_IOCTL(TCSBRK)
747 COMPATIBLE_IOCTL(TCXONC)
748 COMPATIBLE_IOCTL(TCFLSH)
749 COMPATIBLE_IOCTL(TCGETS)
750 COMPATIBLE_IOCTL(TCSETS)
751 COMPATIBLE_IOCTL(TCSETSW)
752 COMPATIBLE_IOCTL(TCSETSF)
753 COMPATIBLE_IOCTL(TIOCLINUX)
754 COMPATIBLE_IOCTL(TIOCSBRK)
755 COMPATIBLE_IOCTL(TIOCGDEV)
756 COMPATIBLE_IOCTL(TIOCCBRK)
757 COMPATIBLE_IOCTL(TIOCGSID)
758 COMPATIBLE_IOCTL(TIOCGICOUNT)
759 COMPATIBLE_IOCTL(TIOCGEXCL)
760 /* Little t */
761 COMPATIBLE_IOCTL(TIOCGETD)
762 COMPATIBLE_IOCTL(TIOCSETD)
763 COMPATIBLE_IOCTL(TIOCEXCL)
764 COMPATIBLE_IOCTL(TIOCNXCL)
765 COMPATIBLE_IOCTL(TIOCCONS)
766 COMPATIBLE_IOCTL(TIOCGSOFTCAR)
767 COMPATIBLE_IOCTL(TIOCSSOFTCAR)
768 COMPATIBLE_IOCTL(TIOCSWINSZ)
769 COMPATIBLE_IOCTL(TIOCGWINSZ)
770 COMPATIBLE_IOCTL(TIOCMGET)
771 COMPATIBLE_IOCTL(TIOCMBIC)
772 COMPATIBLE_IOCTL(TIOCMBIS)
773 COMPATIBLE_IOCTL(TIOCMSET)
774 COMPATIBLE_IOCTL(TIOCNOTTY)
775 COMPATIBLE_IOCTL(TIOCSTI)
776 COMPATIBLE_IOCTL(TIOCOUTQ)
777 COMPATIBLE_IOCTL(TIOCSPGRP)
778 COMPATIBLE_IOCTL(TIOCGPGRP)
779 COMPATIBLE_IOCTL(TIOCSERGETLSR)
780 #ifdef TIOCSRS485
781 COMPATIBLE_IOCTL(TIOCSRS485)
782 #endif
783 #ifdef TIOCGRS485
784 COMPATIBLE_IOCTL(TIOCGRS485)
785 #endif
786 #ifdef TCGETS2
787 COMPATIBLE_IOCTL(TCGETS2)
788 COMPATIBLE_IOCTL(TCSETS2)
789 COMPATIBLE_IOCTL(TCSETSW2)
790 COMPATIBLE_IOCTL(TCSETSF2)
791 #endif
792 /* Little f */
793 COMPATIBLE_IOCTL(FIOCLEX)
794 COMPATIBLE_IOCTL(FIONCLEX)
795 COMPATIBLE_IOCTL(FIOASYNC)
796 COMPATIBLE_IOCTL(FIONBIO)
797 COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
798 COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
799 /* 0x00 */
800 COMPATIBLE_IOCTL(FIBMAP)
801 COMPATIBLE_IOCTL(FIGETBSZ)
802 /* 'X' - originally XFS but some now in the VFS */
803 COMPATIBLE_IOCTL(FIFREEZE)
804 COMPATIBLE_IOCTL(FITHAW)
805 COMPATIBLE_IOCTL(FITRIM)
806 COMPATIBLE_IOCTL(KDGETKEYCODE)
807 COMPATIBLE_IOCTL(KDSETKEYCODE)
808 COMPATIBLE_IOCTL(KDGKBTYPE)
809 COMPATIBLE_IOCTL(KDGETMODE)
810 COMPATIBLE_IOCTL(KDGKBMODE)
811 COMPATIBLE_IOCTL(KDGKBMETA)
812 COMPATIBLE_IOCTL(KDGKBENT)
813 COMPATIBLE_IOCTL(KDSKBENT)
814 COMPATIBLE_IOCTL(KDGKBSENT)
815 COMPATIBLE_IOCTL(KDSKBSENT)
816 COMPATIBLE_IOCTL(KDGKBDIACR)
817 COMPATIBLE_IOCTL(KDSKBDIACR)
818 COMPATIBLE_IOCTL(KDGKBDIACRUC)
819 COMPATIBLE_IOCTL(KDSKBDIACRUC)
820 COMPATIBLE_IOCTL(KDKBDREP)
821 COMPATIBLE_IOCTL(KDGKBLED)
822 COMPATIBLE_IOCTL(KDGETLED)
823 #ifdef CONFIG_BLOCK
824 /* Big S */
825 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
826 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
827 COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
828 COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
829 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
830 COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
831 COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
832 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
833 #endif
834 /* Big V (don't complain on serial console) */
835 IGNORE_IOCTL(VT_OPENQRY)
836 IGNORE_IOCTL(VT_GETMODE)
837 /* Little p (/dev/rtc, /dev/envctrl, etc.) */
838 COMPATIBLE_IOCTL(RTC_AIE_ON)
839 COMPATIBLE_IOCTL(RTC_AIE_OFF)
840 COMPATIBLE_IOCTL(RTC_UIE_ON)
841 COMPATIBLE_IOCTL(RTC_UIE_OFF)
842 COMPATIBLE_IOCTL(RTC_PIE_ON)
843 COMPATIBLE_IOCTL(RTC_PIE_OFF)
844 COMPATIBLE_IOCTL(RTC_WIE_ON)
845 COMPATIBLE_IOCTL(RTC_WIE_OFF)
846 COMPATIBLE_IOCTL(RTC_ALM_SET)
847 COMPATIBLE_IOCTL(RTC_ALM_READ)
848 COMPATIBLE_IOCTL(RTC_RD_TIME)
849 COMPATIBLE_IOCTL(RTC_SET_TIME)
850 COMPATIBLE_IOCTL(RTC_WKALM_SET)
851 COMPATIBLE_IOCTL(RTC_WKALM_RD)
852 /*
853 * These two are only for the sbus rtc driver, but
854 * hwclock tries them on every rtc device first when
855 * running on sparc. On other architectures the entries
856 * are useless but harmless.
857 */
858 COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
859 COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
860 /* Little m */
861 COMPATIBLE_IOCTL(MTIOCTOP)
862 /* Socket level stuff */
863 COMPATIBLE_IOCTL(FIOQSIZE)
864 #ifdef CONFIG_BLOCK
865 /* md calls this on random blockdevs */
866 IGNORE_IOCTL(RAID_VERSION)
867 /* qemu/qemu-img might call these two on plain files for probing */
868 IGNORE_IOCTL(CDROM_DRIVE_STATUS)
869 IGNORE_IOCTL(FDGETPRM32)
870 /* SG stuff */
871 COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
872 COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
873 COMPATIBLE_IOCTL(SG_EMULATED_HOST)
874 COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
875 COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
876 COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
877 COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
878 COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
879 COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
880 COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
881 COMPATIBLE_IOCTL(SG_GET_PACK_ID)
882 COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
883 COMPATIBLE_IOCTL(SG_SET_DEBUG)
884 COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
885 COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
886 COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
887 COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
888 COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
889 COMPATIBLE_IOCTL(SG_SCSI_RESET)
890 COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
891 COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
892 COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
893 #endif
894 /* PPP stuff */
895 COMPATIBLE_IOCTL(PPPIOCGFLAGS)
896 COMPATIBLE_IOCTL(PPPIOCSFLAGS)
897 COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
898 COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
899 COMPATIBLE_IOCTL(PPPIOCGUNIT)
900 COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
901 COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
902 COMPATIBLE_IOCTL(PPPIOCGMRU)
903 COMPATIBLE_IOCTL(PPPIOCSMRU)
904 COMPATIBLE_IOCTL(PPPIOCSMAXCID)
905 COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
906 COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
907 COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
908 /* PPPIOCSCOMPRESS is translated */
909 COMPATIBLE_IOCTL(PPPIOCGNPMODE)
910 COMPATIBLE_IOCTL(PPPIOCSNPMODE)
911 COMPATIBLE_IOCTL(PPPIOCGDEBUG)
912 COMPATIBLE_IOCTL(PPPIOCSDEBUG)
913 /* PPPIOCSPASS is translated */
914 /* PPPIOCSACTIVE is translated */
915 /* PPPIOCGIDLE is translated */
916 COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
917 COMPATIBLE_IOCTL(PPPIOCATTACH)
918 COMPATIBLE_IOCTL(PPPIOCDETACH)
919 COMPATIBLE_IOCTL(PPPIOCSMRRU)
920 COMPATIBLE_IOCTL(PPPIOCCONNECT)
921 COMPATIBLE_IOCTL(PPPIOCDISCONN)
922 COMPATIBLE_IOCTL(PPPIOCATTCHAN)
923 COMPATIBLE_IOCTL(PPPIOCGCHAN)
924 COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
925 /* PPPOX */
926 COMPATIBLE_IOCTL(PPPOEIOCSFWD)
927 COMPATIBLE_IOCTL(PPPOEIOCDFWD)
928 /* Big A */
929 /* sparc only */
930 /* Big Q for sound/OSS */
931 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
932 COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
933 COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
934 COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
935 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
936 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
937 COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
938 COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
939 COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
940 COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
941 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
942 COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
943 COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
944 COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
945 COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
946 COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
947 COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
948 COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
949 COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
950 COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
951 COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
952 COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
953 /* Big T for sound/OSS */
954 COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
955 COMPATIBLE_IOCTL(SNDCTL_TMR_START)
956 COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
957 COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
958 COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
959 COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
960 COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
961 COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
962 /* Little m for sound/OSS */
963 COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
964 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
965 COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
966 /* Big P for sound/OSS */
967 COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
968 COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
969 COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
970 COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
971 COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
972 COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
973 COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
974 COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
975 COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
976 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
977 COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
978 COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
979 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
980 COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
981 COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
982 COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
983 COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
984 COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
985 COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
986 COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
987 /* SNDCTL_DSP_MAPINBUF, XXX needs translation */
988 /* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */
989 COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
990 COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
991 COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
992 COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
993 COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
994 COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
995 COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
996 COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
997 /* Big C for sound/OSS */
998 COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
999 COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
1000 COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
1001 COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
1002 COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
1003 COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
1004 COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
1005 COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
1006 COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
1007 COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
1008 /* Big M for sound/OSS */
1009 COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
1010 COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
1011 COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
1012 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
1013 COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
1014 COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
1015 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
1016 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
1017 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
1018 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
1019 COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
1020 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
1021 COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
1022 COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
1023 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
1024 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
1025 COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
1026 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
1027 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
1028 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
1029 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
1030 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
1031 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
1032 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
1033 COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
1034 COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
1035 /* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */
1036 /* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */
1037 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
1038 COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
1039 COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
1040 COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
1041 COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
1042 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
1043 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
1044 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
1045 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
1046 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
1047 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
1048 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
1049 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
1050 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
1051 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
1052 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
1053 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
1054 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
1055 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
1056 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
1057 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
1058 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
1059 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
1060 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
1061 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
1062 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
1063 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
1064 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
1065 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
1066 COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
1067 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
1068 /* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */
1069 /* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */
1070 COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
1071 COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
1072 COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
1073 COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
1074 COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
1075 COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
1076 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
1077 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
1078 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
1079 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
1080 COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
1081 COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
1082 COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
1083 COMPATIBLE_IOCTL(OSS_GETVERSION)
1084 /* Raw devices */
1085 COMPATIBLE_IOCTL(RAW_SETBIND)
1086 COMPATIBLE_IOCTL(RAW_GETBIND)
1087 /* Watchdog */
1088 COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
1089 COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
1090 COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
1091 COMPATIBLE_IOCTL(WDIOC_GETTEMP)
1092 COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
1093 COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
1094 COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
1095 COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
1096 COMPATIBLE_IOCTL(WDIOC_SETPRETIMEOUT)
1097 COMPATIBLE_IOCTL(WDIOC_GETPRETIMEOUT)
1098 /* Big R */
1099 COMPATIBLE_IOCTL(RNDGETENTCNT)
1100 COMPATIBLE_IOCTL(RNDADDTOENTCNT)
1101 COMPATIBLE_IOCTL(RNDGETPOOL)
1102 COMPATIBLE_IOCTL(RNDADDENTROPY)
1103 COMPATIBLE_IOCTL(RNDZAPENTCNT)
1104 COMPATIBLE_IOCTL(RNDCLEARPOOL)
1105 /* Bluetooth */
1106 COMPATIBLE_IOCTL(HCIDEVUP)
1107 COMPATIBLE_IOCTL(HCIDEVDOWN)
1108 COMPATIBLE_IOCTL(HCIDEVRESET)
1109 COMPATIBLE_IOCTL(HCIDEVRESTAT)
1110 COMPATIBLE_IOCTL(HCIGETDEVLIST)
1111 COMPATIBLE_IOCTL(HCIGETDEVINFO)
1112 COMPATIBLE_IOCTL(HCIGETCONNLIST)
1113 COMPATIBLE_IOCTL(HCIGETCONNINFO)
1114 COMPATIBLE_IOCTL(HCIGETAUTHINFO)
1115 COMPATIBLE_IOCTL(HCISETRAW)
1116 COMPATIBLE_IOCTL(HCISETSCAN)
1117 COMPATIBLE_IOCTL(HCISETAUTH)
1118 COMPATIBLE_IOCTL(HCISETENCRYPT)
1119 COMPATIBLE_IOCTL(HCISETPTYPE)
1120 COMPATIBLE_IOCTL(HCISETLINKPOL)
1121 COMPATIBLE_IOCTL(HCISETLINKMODE)
1122 COMPATIBLE_IOCTL(HCISETACLMTU)
1123 COMPATIBLE_IOCTL(HCISETSCOMTU)
1124 COMPATIBLE_IOCTL(HCIBLOCKADDR)
1125 COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
1126 COMPATIBLE_IOCTL(HCIINQUIRY)
1127 COMPATIBLE_IOCTL(HCIUARTSETPROTO)
1128 COMPATIBLE_IOCTL(HCIUARTGETPROTO)
1129 COMPATIBLE_IOCTL(HCIUARTGETDEVICE)
1130 COMPATIBLE_IOCTL(HCIUARTSETFLAGS)
1131 COMPATIBLE_IOCTL(HCIUARTGETFLAGS)
1132 COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
1133 COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
1134 COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
1135 COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
1136 COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
1137 COMPATIBLE_IOCTL(BNEPCONNADD)
1138 COMPATIBLE_IOCTL(BNEPCONNDEL)
1139 COMPATIBLE_IOCTL(BNEPGETCONNLIST)
1140 COMPATIBLE_IOCTL(BNEPGETCONNINFO)
1141 COMPATIBLE_IOCTL(BNEPGETSUPPFEAT)
1142 COMPATIBLE_IOCTL(CMTPCONNADD)
1143 COMPATIBLE_IOCTL(CMTPCONNDEL)
1144 COMPATIBLE_IOCTL(CMTPGETCONNLIST)
1145 COMPATIBLE_IOCTL(CMTPGETCONNINFO)
1146 COMPATIBLE_IOCTL(HIDPCONNADD)
1147 COMPATIBLE_IOCTL(HIDPCONNDEL)
1148 COMPATIBLE_IOCTL(HIDPGETCONNLIST)
1149 COMPATIBLE_IOCTL(HIDPGETCONNINFO)
1150 /* CAPI */
1151 COMPATIBLE_IOCTL(CAPI_REGISTER)
1152 COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
1153 COMPATIBLE_IOCTL(CAPI_GET_VERSION)
1154 COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
1155 COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
1156 COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
1157 COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
1158 COMPATIBLE_IOCTL(CAPI_INSTALLED)
1159 COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
1160 COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
1161 COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
1162 COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
1163 COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
1164 /* Siemens Gigaset */
1165 COMPATIBLE_IOCTL(GIGASET_REDIR)
1166 COMPATIBLE_IOCTL(GIGASET_CONFIG)
1167 COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
1168 COMPATIBLE_IOCTL(GIGASET_VERSION)
1169 /* Misc. */
1170 COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */
1171 COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */
1172 COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1173 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1174 COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1175 COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
1176 /* hiddev */
1177 COMPATIBLE_IOCTL(HIDIOCGVERSION)
1178 COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
1179 COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
1180 COMPATIBLE_IOCTL(HIDIOCGSTRING)
1181 COMPATIBLE_IOCTL(HIDIOCINITREPORT)
1182 COMPATIBLE_IOCTL(HIDIOCGREPORT)
1183 COMPATIBLE_IOCTL(HIDIOCSREPORT)
1184 COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
1185 COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
1186 COMPATIBLE_IOCTL(HIDIOCGUSAGE)
1187 COMPATIBLE_IOCTL(HIDIOCSUSAGE)
1188 COMPATIBLE_IOCTL(HIDIOCGUCODE)
1189 COMPATIBLE_IOCTL(HIDIOCGFLAG)
1190 COMPATIBLE_IOCTL(HIDIOCSFLAG)
1191 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
1192 COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
1193 /* dvb */
1194 COMPATIBLE_IOCTL(AUDIO_STOP)
1195 COMPATIBLE_IOCTL(AUDIO_PLAY)
1196 COMPATIBLE_IOCTL(AUDIO_PAUSE)
1197 COMPATIBLE_IOCTL(AUDIO_CONTINUE)
1198 COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
1199 COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
1200 COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
1201 COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
1202 COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
1203 COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
1204 COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
1205 COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
1206 COMPATIBLE_IOCTL(AUDIO_SET_ID)
1207 COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
1208 COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
1209 COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID)
1210 COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES)
1211 COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE)
1212 COMPATIBLE_IOCTL(DMX_START)
1213 COMPATIBLE_IOCTL(DMX_STOP)
1214 COMPATIBLE_IOCTL(DMX_SET_FILTER)
1215 COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
1216 COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
1217 COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
1218 COMPATIBLE_IOCTL(DMX_GET_STC)
1219 COMPATIBLE_IOCTL(DMX_REQBUFS)
1220 COMPATIBLE_IOCTL(DMX_QUERYBUF)
1221 COMPATIBLE_IOCTL(DMX_EXPBUF)
1222 COMPATIBLE_IOCTL(DMX_QBUF)
1223 COMPATIBLE_IOCTL(DMX_DQBUF)
1224 COMPATIBLE_IOCTL(VIDEO_STOP)
1225 COMPATIBLE_IOCTL(VIDEO_PLAY)
1226 COMPATIBLE_IOCTL(VIDEO_FREEZE)
1227 COMPATIBLE_IOCTL(VIDEO_CONTINUE)
1228 COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
1229 COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
1230 COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
1231 COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
1232 COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
1233 COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
1234 COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
1235 COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
1236 COMPATIBLE_IOCTL(VIDEO_SET_ID)
1237 COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
1238 COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
1239 COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM)
1240 COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT)
1241 COMPATIBLE_IOCTL(VIDEO_SET_SPU)
1242 COMPATIBLE_IOCTL(VIDEO_GET_NAVI)
1243 COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES)
1244 COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
1245 COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE)
1246 /* cec */
1247 COMPATIBLE_IOCTL(CEC_ADAP_G_CAPS)
1248 COMPATIBLE_IOCTL(CEC_ADAP_G_LOG_ADDRS)
1249 COMPATIBLE_IOCTL(CEC_ADAP_S_LOG_ADDRS)
1250 COMPATIBLE_IOCTL(CEC_ADAP_G_PHYS_ADDR)
1251 COMPATIBLE_IOCTL(CEC_ADAP_S_PHYS_ADDR)
1252 COMPATIBLE_IOCTL(CEC_G_MODE)
1253 COMPATIBLE_IOCTL(CEC_S_MODE)
1254 COMPATIBLE_IOCTL(CEC_TRANSMIT)
1255 COMPATIBLE_IOCTL(CEC_RECEIVE)
1256 COMPATIBLE_IOCTL(CEC_DQEVENT)
1257
1258 /* joystick */
1259 COMPATIBLE_IOCTL(JSIOCGVERSION)
1260 COMPATIBLE_IOCTL(JSIOCGAXES)
1261 COMPATIBLE_IOCTL(JSIOCGBUTTONS)
1262 COMPATIBLE_IOCTL(JSIOCGNAME(0))
1263
1264 #ifdef TIOCGLTC
1265 COMPATIBLE_IOCTL(TIOCGLTC)
1266 COMPATIBLE_IOCTL(TIOCSLTC)
1267 #endif
1268 #ifdef TIOCSTART
1269 /*
1270 * For these two we have definitions in ioctls.h and/or termios.h on
1271 * some architectures but no actual implemention. Some applications
1272 * like bash call them if they are defined in the headers, so we provide
1273 * entries here to avoid syslog message spew.
1274 */
1275 COMPATIBLE_IOCTL(TIOCSTART)
1276 COMPATIBLE_IOCTL(TIOCSTOP)
1277 #endif
1278
1279 /* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1280 but we don't want warnings on other file systems. So declare
1281 them as compatible here. */
1282 #define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2])
1283 #define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2])
1284
1285 IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
1286 IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
1287
1288 #ifdef CONFIG_SPARC
1289 /* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
1290 IGNORE_IOCTL(FBIOGTYPE)
1291 IGNORE_IOCTL(FBIOSATTR)
1292 IGNORE_IOCTL(FBIOGATTR)
1293 IGNORE_IOCTL(FBIOSVIDEO)
1294 IGNORE_IOCTL(FBIOGVIDEO)
1295 IGNORE_IOCTL(FBIOSCURPOS)
1296 IGNORE_IOCTL(FBIOGCURPOS)
1297 IGNORE_IOCTL(FBIOGCURMAX)
1298 IGNORE_IOCTL(FBIOPUTCMAP32)
1299 IGNORE_IOCTL(FBIOGETCMAP32)
1300 IGNORE_IOCTL(FBIOSCURSOR32)
1301 IGNORE_IOCTL(FBIOGCURSOR32)
1302 #endif
1303 };
1304
1305 /*
1306 * Convert common ioctl arguments based on their command number
1307 *
1308 * Please do not add any code in here. Instead, implement
1309 * a compat_ioctl operation in the place that handleѕ the
1310 * ioctl for the native case.
1311 */
1312 static long do_ioctl_trans(unsigned int cmd,
1313 unsigned long arg, struct file *file)
1314 {
1315 void __user *argp = compat_ptr(arg);
1316
1317 switch (cmd) {
1318 case PPPIOCGIDLE32:
1319 return ppp_gidle(file, cmd, argp);
1320 case PPPIOCSCOMPRESS32:
1321 return ppp_scompress(file, cmd, argp);
1322 case PPPIOCSPASS32:
1323 case PPPIOCSACTIVE32:
1324 return ppp_sock_fprog_ioctl_trans(file, cmd, argp);
1325 #ifdef CONFIG_BLOCK
1326 case SG_IO:
1327 return sg_ioctl_trans(file, cmd, argp);
1328 case SG_GET_REQUEST_TABLE:
1329 return sg_grt_trans(file, cmd, argp);
1330 case MTIOCGET32:
1331 case MTIOCPOS32:
1332 return mt_ioctl_trans(file, cmd, argp);
1333 #endif
1334 /* Serial */
1335 case TIOCGSERIAL:
1336 case TIOCSSERIAL:
1337 return serial_struct_ioctl(file, cmd, argp);
1338 /* Not implemented in the native kernel */
1339 case RTC_IRQP_READ32:
1340 case RTC_IRQP_SET32:
1341 case RTC_EPOCH_READ32:
1342 case RTC_EPOCH_SET32:
1343 return rtc_ioctl(file, cmd, argp);
1344
1345 /* dvb */
1346 case VIDEO_GET_EVENT:
1347 return do_video_get_event(file, cmd, argp);
1348 case VIDEO_STILLPICTURE:
1349 return do_video_stillpicture(file, cmd, argp);
1350 case VIDEO_SET_SPU_PALETTE:
1351 return do_video_set_spu_palette(file, cmd, argp);
1352 }
1353
1354 /*
1355 * These take an integer instead of a pointer as 'arg',
1356 * so we must not do a compat_ptr() translation.
1357 */
1358 switch (cmd) {
1359 /* Big T */
1360 case TCSBRKP:
1361 case TIOCMIWAIT:
1362 case TIOCSCTTY:
1363 /* RAID */
1364 case HOT_REMOVE_DISK:
1365 case HOT_ADD_DISK:
1366 case SET_DISK_FAULTY:
1367 case SET_BITMAP_FILE:
1368 /* Big K */
1369 case KDSIGACCEPT:
1370 case KIOCSOUND:
1371 case KDMKTONE:
1372 case KDSETMODE:
1373 case KDSKBMODE:
1374 case KDSKBMETA:
1375 case KDSKBLED:
1376 case KDSETLED:
1377 return vfs_ioctl(file, cmd, arg);
1378 }
1379
1380 return -ENOIOCTLCMD;
1381 }
1382
1383 static int compat_ioctl_check_table(unsigned int xcmd)
1384 {
1385 int i;
1386 const int max = ARRAY_SIZE(ioctl_pointer) - 1;
1387
1388 BUILD_BUG_ON(max >= (1 << 16));
1389
1390 /* guess initial offset into table, assuming a
1391 normalized distribution */
1392 i = ((xcmd >> 16) * max) >> 16;
1393
1394 /* do linear search up first, until greater or equal */
1395 while (ioctl_pointer[i] < xcmd && i < max)
1396 i++;
1397
1398 /* then do linear search down */
1399 while (ioctl_pointer[i] > xcmd && i > 0)
1400 i--;
1401
1402 return ioctl_pointer[i] == xcmd;
1403 }
1404
1405 COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
1406 compat_ulong_t, arg32)
1407 {
1408 unsigned long arg = arg32;
1409 struct fd f = fdget(fd);
1410 int error = -EBADF;
1411 if (!f.file)
1412 goto out;
1413
1414 /* RED-PEN how should LSM module know it's handling 32bit? */
1415 error = security_file_ioctl(f.file, cmd, arg);
1416 if (error)
1417 goto out_fput;
1418
1419 /*
1420 * To allow the compat_ioctl handlers to be self contained
1421 * we need to check the common ioctls here first.
1422 * Just handle them with the standard handlers below.
1423 */
1424 switch (cmd) {
1425 case FIOCLEX:
1426 case FIONCLEX:
1427 case FIONBIO:
1428 case FIOASYNC:
1429 case FIOQSIZE:
1430 break;
1431
1432 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
1433 case FS_IOC_RESVSP_32:
1434 case FS_IOC_RESVSP64_32:
1435 error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
1436 goto out_fput;
1437 #else
1438 case FS_IOC_RESVSP:
1439 case FS_IOC_RESVSP64:
1440 error = ioctl_preallocate(f.file, compat_ptr(arg));
1441 goto out_fput;
1442 #endif
1443
1444 case FICLONE:
1445 case FICLONERANGE:
1446 case FIDEDUPERANGE:
1447 case FS_IOC_FIEMAP:
1448 goto do_ioctl;
1449
1450 case FIBMAP:
1451 case FIGETBSZ:
1452 case FIONREAD:
1453 if (S_ISREG(file_inode(f.file)->i_mode))
1454 break;
1455 /*FALL THROUGH*/
1456
1457 default:
1458 if (f.file->f_op->compat_ioctl) {
1459 error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
1460 if (error != -ENOIOCTLCMD)
1461 goto out_fput;
1462 }
1463
1464 if (!f.file->f_op->unlocked_ioctl)
1465 goto do_ioctl;
1466 break;
1467 }
1468
1469 if (compat_ioctl_check_table(XFORM(cmd)))
1470 goto found_handler;
1471
1472 error = do_ioctl_trans(cmd, arg, f.file);
1473 if (error == -ENOIOCTLCMD)
1474 error = -ENOTTY;
1475
1476 goto out_fput;
1477
1478 found_handler:
1479 arg = (unsigned long)compat_ptr(arg);
1480 do_ioctl:
1481 error = do_vfs_ioctl(f.file, fd, cmd, arg);
1482 out_fput:
1483 fdput(f);
1484 out:
1485 return error;
1486 }
1487
1488 static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
1489 {
1490 unsigned int a, b;
1491 a = *(unsigned int *)p;
1492 b = *(unsigned int *)q;
1493 if (a > b)
1494 return 1;
1495 if (a < b)
1496 return -1;
1497 return 0;
1498 }
1499
1500 static int __init init_sys32_ioctl(void)
1501 {
1502 sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
1503 init_sys32_ioctl_cmp, NULL);
1504 return 0;
1505 }
1506 __initcall(init_sys32_ioctl);
Linux with added FPC-III support