src/plugin.c: unregister_read: llist_search may return NULL.

Handle these cases gracefully.

diff --git a/src/plugin.c b/src/plugin.c
index 70e0c0f..6fb7520 100644 (file)
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -888,6 +888,14 @@ int plugin_unregister_read (const char *name) /* {{{ */
        }
 
        le = llist_search (read_list, name);
+       if (le == NULL)
+       {
+               pthread_mutex_unlock (&read_lock);
+               WARNING ("plugin_unregister_read: No such read function: %s",
+                               name);
+               return (-ENOENT);
+       }
+
        llist_remove (read_list, le);
 
        rf = le->value;