diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 10db44f95749..fb71790398f0 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2214,6 +2214,7 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
 		if (nodelist)
 			goto out;
 		mode = MPOL_PREFERRED;
+		err = 0;
 		break;
 	case MPOL_DEFAULT:
 		/*