X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=mm%2Fmempolicy.c;h=b4eababc8198790961ead62cf421b2ac2c21aaf5;hb=12aaa0855b39b5464db953fedf399fa91ee365ed;hp=1694845526be5db9c18ef0183110435a0ccf9ab7;hpb=d6ac1a7910d22626bc77e73db091e00b810715f4;p=~andy%2Flinux

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 1694845526b..b4eababc819 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)