Curl_llist_remove: fix potential NULL pointer deref

Fixes a scan-build warning.

diff --git a/lib/llist.c b/lib/llist.c
index 4bb0a51b865c6d29de8039275096fc3e30e788d2..f8769c2af84200cc7ee54e73808a643799188cfe 100644 (file)
--- a/lib/llist.c
+++ b/lib/llist.c
@@ -106,7 +106,11 @@ Curl_llist_remove(struct curl_llist *list, struct curl_llist_element *e,
       e->next->prev = NULL;
   }
   else {
-    e->prev->next = e->next;
+    if(!e->prev)
+      list->head = e->next;
+    else
+      e->prev->next = e->next;
+
     if(!e->next)
       list->tail = e->prev;
     else