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Fix bogus warning in sysdev_driver_register()

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if ((drv->entry.next != drv->entry.prev) ||
            (drv->entry.next != NULL)) {

warns list_empty(&drv->entry).

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Greg KH <gregkh@suse.de>
Cc: Len Brown <lenb@kernel.org>
[ Version 2 totally redone based on suggestions from Linus & Greg ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
OGAWA Hirofumi 2008-05-07 04:02:53 +09:00 committed by Linus Torvalds
parent 6ce07c7b61
commit db176c6ed8
1 changed files with 1 additions and 2 deletions
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3
drivers/base/sys.c
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@ -175,8 +175,7 @@ int sysdev_driver_register(struct sysdev_class *cls, struct sysdev_driver *drv)
}
/* Check whether this driver has already been added to a class. */
if ((drv->entry.next != drv->entry.prev) ||
(drv->entry.next != NULL)) {
if (drv->entry.next && !list_empty(&drv->entry)) {
printk(KERN_WARNING "sysdev: class %s: driver (%p) has already"
" been registered to a class, something is wrong, but "
"will forge on!\n", cls->name, drv);