From 1c9559734eca3dc03a4c805fbf5103349d7a7cf3 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 30 Aug 2019 14:24:48 +0300
Subject: [PATCH] mac80211: remove unnecessary key condition
Git-commit: 1c9559734eca3dc03a4c805fbf5103349d7a7cf3
Patch-mainline: v5.4-rc1
References: jsc#SLE-13430

When we reach this point, the key cannot be NULL. Remove the condition
that suggests otherwise.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/20190830112451.21655-6-luca@coelho.fi
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 net/mac80211/key.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 7dfee848abac..1be3686562ee 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -6,6 +6,7 @@
  * Copyright 2007-2008	Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright 2015-2017	Intel Deutschland GmbH
+ * Copyright 2018-2019  Intel Corporation
  */
 
 #include <linux/if_ether.h>
@@ -781,9 +782,8 @@ int ieee80211_key_link(struct ieee80211_key *key,
 		/* The rekey code assumes that the old and new key are using
 		 * the same cipher. Enforce the assumption for pairwise keys.
 		 */
-		if (key &&
-		    ((alt_key && alt_key->conf.cipher != key->conf.cipher) ||
-		     (old_key && old_key->conf.cipher != key->conf.cipher)))
+		if ((alt_key && alt_key->conf.cipher != key->conf.cipher) ||
+		    (old_key && old_key->conf.cipher != key->conf.cipher))
 			goto out;
 	} else if (sta) {
 		old_key = key_mtx_dereference(sdata->local, sta->gtk[idx]);
-- 
2.16.4