diff options
author | Hillf Danton <dhillf@gmail.com> | 2013-03-08 20:43:28 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-14 18:26:25 (GMT) |
commit | 87b07931632bc4a4c032a49b2fb00701ecef6320 (patch) | |
tree | d851f5fc5bc925f9fa485d6ecf07432c6f175614 /mm | |
parent | 3479cfd6f589c4d49494c046fabdbfdcb5c4c8e6 (diff) | |
download | linux-fsl-qoriq-87b07931632bc4a4c032a49b2fb00701ecef6320.tar.xz |
mm/mempolicy.c: fix wrong sp_node insertion
commit 5ca3957510b9fc2a14d3647db518014842f9a2b4 upstream.
n->end is accessed in sp_insert(). Thus it should be update
before calling sp_insert(). This mistake may make kernel panic.
Signed-off-by: Hillf Danton <dhillf@gmail.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm')
-rw-r--r-- | mm/mempolicy.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index e2df1c1..3df6d12 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2386,8 +2386,8 @@ restart: *mpol_new = *n->policy; atomic_set(&mpol_new->refcnt, 1); sp_node_init(n_new, n->end, end, mpol_new); - sp_insert(sp, n_new); n->end = start; + sp_insert(sp, n_new); n_new = NULL; mpol_new = NULL; break; |