[PATCH 6.0 0437/1073] wifi: mac80211: fix maybe-unused warning

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From: Íñigo Huguet <ihuguet@xxxxxxxxxx>

[ Upstream commit 09d838a457a89883a926b8b0104d575158fd4b92 ]

In ieee80211_lookup_key, the variable named `local` is unused if
compiled without lockdep, getting this warning:

net/mac80211/cfg.c: In function ‘ieee80211_lookup_key’:
net/mac80211/cfg.c:542:26: error: unused variable ‘local’ [-Werror=unused-variable]
  struct ieee80211_local *local = sdata->local;
                          ^~~~~

Fix it with __maybe_unused.

Fixes: 8cbf0c2ab6df ("wifi: mac80211: refactor some key code")
Signed-off-by: Íñigo Huguet <ihuguet@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20221111153622.29016-1-ihuguet@xxxxxxxxxx
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 net/mac80211/cfg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 65f34945a767..538f8c0dbb2b 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -539,7 +539,7 @@ static struct ieee80211_key *
 ieee80211_lookup_key(struct ieee80211_sub_if_data *sdata,
 		     u8 key_idx, bool pairwise, const u8 *mac_addr)
 {
-	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_local *local __maybe_unused = sdata->local;
 	struct ieee80211_key *key;
 	struct sta_info *sta;
 
-- 
2.35.1






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