From: Mauro Dreissig <mukadr@gmail.com>
The "pol->mode" field is accessed even when no mempolicy
is assigned to the "pol" variable.
Signed-off-by: Mauro Dreissig <mukadr@gmail.com>
---
mm/mempolicy.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 6b1d426..105fff0 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -127,12 +127,16 @@ static struct mempolicy *get_task_policy(struct task_struct *p)
if (!pol) {
node = numa_node_id();
- if (node != NUMA_NO_NODE)
+ if (node != NUMA_NO_NODE) {
pol = &preferred_node_policy[node];
- /* preferred_node_policy is not initialised early in boot */
- if (!pol->mode)
- pol = NULL;
+ /*
+ * preferred_node_policy
is not initialised early
+ * in boot
+ */
+ if (!pol->mode)
+ pol = NULL;
+ }
}
return pol;