X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fmempolicy.c;h=b4eababc8198790961ead62cf421b2ac2c21aaf5;hb=3ec8a773d2775db86cc21d28b77bea29c8a1ea3c;hp=1694845526be5db9c18ef0183110435a0ccf9ab7;hpb=90c5029e471636f21221bf66b9a46ada2ab79a22;p=linux-2.6

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 1694845526..b4eababc81 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)