Add an extra sanity check in parse_mode

 -Erik


git-svn-id: svn://busybox.net/trunk/busybox@989 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 3 insertions, 0 deletions

diff --git a/utility.c b/utility.c
index 911d84eaf..c8bd5737a 100644
--- a/utility.c
+++ b/utility.c
@@ -743,6 +743,9 @@ extern int parse_mode(const char *s, mode_t * theMode)
         char type;
         char c;
 
+        if (s==NULL)
+                return (FALSE);
+
         do {
                 for (;;) {
                         switch (c = *s++) {