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drivers/base: check errors

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Add lots of return-value checking.

<pcornelia.huck@de.ibm.com>: fix bus_rescan_devices()]
Cc: "Randy.Dunlap" <rdunlap@xenotime.net>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Andrew Morton 2006-08-14 22:43:20 -07:00 • committed by Greg Kroah-Hartman
parent 370226449c
commit f86db396ff
4 changed files with 104 additions and 50 deletions
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8
include/linux/device.h
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@ -62,7 +62,7 @@ struct bus_type {
extern int __must_check bus_register(struct bus_type * bus);
extern void bus_unregister(struct bus_type * bus);
extern void bus_rescan_devices(struct bus_type * bus);
extern int __must_check bus_rescan_devices(struct bus_type * bus);
/* iterator helpers for buses */
@ -397,11 +397,11 @@ extern int device_rename(struct device *dev, char *new_name);
* Manual binding of a device to driver. See drivers/base/bus.c
* for information on use.
*/
extern void device_bind_driver(struct device * dev);
extern int __must_check device_bind_driver(struct device *dev);
extern void device_release_driver(struct device * dev);
extern int __must_check device_attach(struct device * dev);
extern void driver_attach(struct device_driver * drv);
extern void device_reprobe(struct device *dev);
extern int __must_check driver_attach(struct device_driver *drv);
extern int __must_check device_reprobe(struct device *dev);
/*
* Easy functions for dynamically creating devices on the fly