kref: minor cleanup
authorAnatol Pomozov <anatol.pomozov@gmail.com>
Tue, 7 May 2013 22:37:48 +0000 (15:37 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 7 May 2013 23:09:00 +0000 (16:09 -0700)
commit2d864e41710f1d2ba406fb62018ab0487152e6f2
tree52c6a3172b7a4099830962323f2a1742fa166b01
parent292088ee032d0df59e7c8a7a00e9b97260146078
kref: minor cleanup

 - make warning smp-safe
 - result of atomic _unless_zero functions should be checked by caller
   to avoid use-after-free error
 - trivial whitespace fix.

Link: https://lkml.org/lkml/2013/4/12/391
Tested: compile x86, boot machine and run xfstests
Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com>
[ Removed line-break, changed to use WARN_ON_ONCE()  - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/kref.h
lib/kobject.c