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| author |   Sasha Levin <levinsasha928@gmail.com> | 2012-04-25 16:01:53 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-25 21:26:34 -0700 |
| commit | 6e8b09eaf268bceac0c62e389b4bc0cb83dfb8e5 (patch) | |
| tree | 8b284da8a79355ef631c8c418c369fd1ec83b251 /include/linux | |
| parent | mm: fix NULL ptr dereference in migrate_pages (diff) | |
| download | linux-dev-6e8b09eaf268bceac0c62e389b4bc0cb83dfb8e5.tar.xz linux-dev-6e8b09eaf268bceac0c62e389b4bc0cb83dfb8e5.zip | |
mm: fix NULL ptr dereference in move_pages
Commit 3268c63 ("mm: fix move/migrate_pages() race on task struct") has
added an odd construct where 'mm' is checked for being NULL, and if it is,
it would get dereferenced anyways by mput()ing it.
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions