From 70d110026cd9dda4fa7ce570550d7931f234120e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Helleu?= <flashcode@flashtux.org>
Date: Sat, 25 Mar 2017 14:05:03 +0100
Subject: [PATCH] alias: check that alias pointer is not NULL in function
 "alias_free"

---
 src/plugins/alias/alias.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/plugins/alias/alias.c b/src/plugins/alias/alias.c
index 56179395f..81e339fa1 100644
--- a/src/plugins/alias/alias.c
+++ b/src/plugins/alias/alias.c
@@ -446,6 +446,9 @@ alias_free (struct t_alias *alias)
 {
     struct t_alias *new_alias_list;
 
+    if (!alias)
+        return;
+
     /* remove alias from list */
     if (last_alias == alias)
         last_alias = alias->prev_alias;