OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / mca / mca-driver.c
blob32cd39bcc7152b5704d5746e6501dbd44724a99b
1 /* -*- mode: c; c-basic-offset: 8 -*- */
3 /*
4 * MCA driver support functions for sysfs.
6 * (C) 2002 James Bottomley <James.Bottomley@HansenPartnership.com>
8 **-----------------------------------------------------------------------------
9 **
10 ** This program is free software; you can redistribute it and/or modify
11 ** it under the terms of the GNU General Public License as published by
12 ** the Free Software Foundation; either version 2 of the License, or
13 ** (at your option) any later version.
15 ** This program is distributed in the hope that it will be useful,
16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ** GNU General Public License for more details.
20 ** You should have received a copy of the GNU General Public License
21 ** along with this program; if not, write to the Free Software
22 ** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 **-----------------------------------------------------------------------------
27 #include <linux/device.h>
28 #include <linux/mca.h>
29 #include <linux/module.h>
31 int mca_register_driver(struct mca_driver *mca_drv)
33 int r;
35 if (MCA_bus) {
36 mca_drv->driver.bus = &mca_bus_type;
37 if ((r = driver_register(&mca_drv->driver)) < 0)
38 return r;
39 mca_drv->integrated_id = 0;
42 return 0;
44 EXPORT_SYMBOL(mca_register_driver);
46 int mca_register_driver_integrated(struct mca_driver *mca_driver,
47 int integrated_id)
49 int r = mca_register_driver(mca_driver);
51 if (!r)
52 mca_driver->integrated_id = integrated_id;
54 return r;
56 EXPORT_SYMBOL(mca_register_driver_integrated);
58 void mca_unregister_driver(struct mca_driver *mca_drv)
60 if (MCA_bus)
61 driver_unregister(&mca_drv->driver);
63 EXPORT_SYMBOL(mca_unregister_driver);