From 8bbcd2208e366f8d8a708d56974966dd7651ffdf Mon Sep 17 00:00:00 2001
From: Thomas Graf <tgraf@redhat.com>
Date: Sun, 22 Apr 2012 11:12:01 +0200
Subject: [PATCH] genl: Make genl_unregister() a NOP if NULL pointer is passed

---
 lib/genl/mngt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/genl/mngt.c b/lib/genl/mngt.c
index 0ebe74d..963d497 100644
--- a/lib/genl/mngt.c
+++ b/lib/genl/mngt.c
@@ -208,6 +208,9 @@ errout:
  */
 void genl_unregister(struct nl_cache_ops *ops)
 {
+	if (!ops)
+		return;
+
 	nl_cache_mngt_unregister(ops);
 	nl_list_del(&ops->co_genl->o_list);
 }