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authorOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>2008-05-06 15:02:53 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-06 16:22:42 -0400
commitdb176c6ed8974fae94328ad5ac9e70b094ff22fd (patch)
tree652fea0622632fc91e7e6f0162aa754e03d6bba1 /drivers/base/sys.c
parent6ce07c7b61e74af35a05060a2d6341f68fd92c9e (diff)
Fix bogus warning in sysdev_driver_register()
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>
Diffstat (limited to 'drivers/base/sys.c')
-rw-r--r--drivers/base/sys.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index 4fbb56bcb1ee..358bb0be3c08 100644
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -175,8 +175,7 @@ int sysdev_driver_register(struct sysdev_class *cls, struct sysdev_driver *drv)
175 } 175 }
176 176
177 /* Check whether this driver has already been added to a class. */ 177 /* Check whether this driver has already been added to a class. */
178 if ((drv->entry.next != drv->entry.prev) || 178 if (drv->entry.next && !list_empty(&drv->entry)) {
179 (drv->entry.next != NULL)) {
180 printk(KERN_WARNING "sysdev: class %s: driver (%p) has already" 179 printk(KERN_WARNING "sysdev: class %s: driver (%p) has already"
181 " been registered to a class, something is wrong, but " 180 " been registered to a class, something is wrong, but "
182 "will forge on!\n", cls->name, drv); 181 "will forge on!\n", cls->name, drv);