add extra null pointer check

diff --git a/list.c b/list.c
index 5332800..d78970c 100644 (file)
--- a/list.c
+++ b/list.c
@@ -293,6 +293,7 @@ int uci_set(struct uci_context *ctx, char *package, char *section, char *option,
        UCI_HANDLE_ERR(ctx);
        UCI_ASSERT(ctx, package != NULL);
        UCI_ASSERT(ctx, section != NULL);
+       UCI_ASSERT(ctx, value != NULL);
 
        /*
         * look up the package, section and option (if set)