vfs: check userland buffers before reading them.
[haiku.git] / src / add-ons / kernel / drivers / network / wlan / iprowifi2100 / glue.c
blobdbfc268e81c6a215bb591904c84d55bfe68b8427
1 /*
2 * Copyright 2009, Colin Günther, coling@gmx.de.
3 * All Rights Reserved. Distributed under the terms of the MIT License.
4 */
7 #include <sys/bus.h>
8 #include <sys/kernel.h>
10 #include <machine/bus.h>
12 #include <net/if.h>
13 #include <net/if_media.h>
15 #include <net80211/ieee80211_var.h>
17 #include <dev/ipw/if_ipwreg.h>
18 #include <dev/ipw/if_ipwvar.h>
21 HAIKU_FBSD_WLAN_DRIVER_GLUE(iprowifi2100, ipw, pci)
22 NO_HAIKU_FBSD_MII_DRIVER();
23 NO_HAIKU_REENABLE_INTERRUPTS();
24 HAIKU_DRIVER_REQUIREMENTS(FBSD_TASKQUEUES | FBSD_SWI_TASKQUEUE | FBSD_WLAN);
25 HAIKU_FIRMWARE_VERSION(130);
26 HAIKU_FIRMWARE_NAME_MAP(3) = {{"ipw_bss", "ipw2100-1.3.fw"},
27 {"ipw_ibss", "ipw2100-1.3-i.fw"}, {"ipw_monitor", "ipw2100-1.3-p.fw"}};
30 int
31 HAIKU_CHECK_DISABLE_INTERRUPTS(device_t dev)
33 struct ipw_softc* sc = (struct ipw_softc*)device_get_softc(dev);
34 uint32 r;
36 r = CSR_READ_4(sc, IPW_CSR_INTR);
37 if (r == 0 || r == 0xffffffff)
38 return 0;
40 atomic_set((int32*)&sc->sc_intr_status, r);
42 CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0);
43 // disable interrupts
44 return 1;