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authorAnton Altaparmakov <aia21@cantab.net>2006-01-03 12:51:07 +0000
committerAnton Altaparmakov <aia21@cantab.net>2006-01-03 12:51:07 +0000
commitd087e4bdd24ebe3ae3d0b265b6573ec901af4b4b (patch)
treec2db1b4958bbf617a25398b7ef93d82006b26a17 /mm/mempolicy.c
parent292d4ed32e35df4755052b5002e533348d1648fd (diff)
parent88026842b0a760145aa71d69e74fbc9ec118ca44 (diff)
Merge branch 'master' of /usr/src/ntfs-2.6/
Diffstat (limited to 'mm/mempolicy.c')
-rw-r--r--mm/mempolicy.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index bec88c81244e0..72f402cc9c9af 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -161,6 +161,10 @@ static struct mempolicy *mpol_new(int mode, nodemask_t *nodes)
switch (mode) {
case MPOL_INTERLEAVE:
policy->v.nodes = *nodes;
+ if (nodes_weight(*nodes) == 0) {
+ kmem_cache_free(policy_cache, policy);
+ return ERR_PTR(-EINVAL);
+ }
break;
case MPOL_PREFERRED:
policy->v.preferred_node = first_node(*nodes);