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| author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2016-02-12 01:13:06 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-02-12 03:35:48 +0100 |
| commit | 078c6c3a5e7dc53a9a23408cc32c83954abb5d0d (patch) | |
| tree | e4185f03f3d35cc47c79b64323701dbe5370f8cc /mm/pgtable-generic.c | |
| parent | mm, dax: check for pmd_none() after split_huge_pmd() (diff) | |
| download | linux-078c6c3a5e7dc53a9a23408cc32c83954abb5d0d.tar.xz linux-078c6c3a5e7dc53a9a23408cc32c83954abb5d0d.zip | |
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>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions