1 files changed, 1 insertions, 1 deletions

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 1694845526be..b4eababc8198 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -443,7 +443,7 @@ asmlinkage long sys_set_mempolicy(int mode, unsigned long __user *nmask,
         struct mempolicy *new;
         DECLARE_BITMAP(nodes, MAX_NUMNODES);
 
-        if (mode > MPOL_MAX)
+        if (mode < 0 || mode > MPOL_MAX)
                 return -EINVAL;
         err = get_nodes(nodes, nmask, maxnode, mode);
         if (err)