fix NULL dereference

2012-07-13 09:56:02 +02:00 · 2012-07-13 09:56:02 +02:00 · 95b47a1766
commit 95b47a1766
parent afc5a8a5dc
1 changed files with 8 additions and 1 deletions
--- a/list.c
+++ b/list.c
@ -123,7 +123,14 @@ int l_node_insert(l_node * node, l_node * to_be_inserted)
 void *l_remove(list * l, l_node * node)
 {
        void *data;
-        l_node_remove(l, node);
+        if (l != NULL) {
+                l_node_remove(l, node);
+        }
+
+        if (node == NULL) {
+                return NULL;
+        }
+
        data = node->data;
        free(node);