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05 April 2024, 19:05:47 UTC
Revision 078c6c3a5e7dc53a9a23408cc32c83954abb5d0d authored by Rasmus Villemoes on 12 February 2016, 00:13:06 UTC, committed by Linus Torvalds on 12 February 2016, 02:35:48 UTC 
mm/backing-dev.c: fix error path in wb_init()
 
We need to use post-decrement to get percpu_counter_destroy() called on
&wb->stat[0].  Moreover, the pre-decremebt would cause infinite
out-of-bounds accesses if the setup code failed at i==0.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Vladimir Davydov <vdavydov@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 6b9116a
History
Tip revision: 078c6c3a5e7dc53a9a23408cc32c83954abb5d0d authored by Rasmus Villemoes on 12 February 2016, 00:13:06 UTC
mm/backing-dev.c: fix error path in wb_init()
Tip revision: 078c6c3
File Mode Size
Kconfig -rw-r--r-- 63.7 KB
Makefile -rw-r--r-- 1.1 KB
calibrate.c -rw-r--r-- 8.5 KB
do_mounts.c -rw-r--r-- 14.6 KB
do_mounts.h -rw-r--r-- 1.4 KB
do_mounts_initrd.c -rw-r--r-- 3.4 KB
do_mounts_md.c -rw-r--r-- 8.2 KB
do_mounts_rd.c -rw-r--r-- 8.3 KB
init_task.c -rw-r--r-- 728 bytes
initramfs.c -rw-r--r-- 13.8 KB
main.c -rw-r--r-- 24.8 KB
noinitramfs.c -rw-r--r-- 1.5 KB
version.c -rw-r--r-- 1.2 KB
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