linux-kernel - [PATCH 11/28] wireless: intersil: hostap: hostap_ap: Mark 'txt' as __always

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Date:   Wed, 19 Aug 2020 08:23:45 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     kvalo@...eaurora.org, davem@...emloft.net, kuba@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
        Jouni Malinen <j@...fi>,
        Nathan Chancellor <natechancellor@...il.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: [PATCH 11/28] wireless: intersil: hostap: hostap_ap: Mark 'txt' as __always_unused

Keeping this around to act as documentation, since its use is
currently #if'ed out at the end of the function.

Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/intersil/hostap/hostap_ap.c: In function ‘handle_assoc’:
 drivers/net/wireless/intersil/hostap/hostap_ap.c:1507:8: warning: variable ‘txt’ set but not used [-Wunused-but-set-variable]

Cc: Jouni Malinen <j@...fi>
Cc: Kalle Valo <kvalo@...eaurora.org>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Nathan Chancellor <natechancellor@...il.com>
Cc: Nick Desaulniers <ndesaulniers@...gle.com>
Cc: linux-wireless@...r.kernel.org
Cc: netdev@...r.kernel.org
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/net/wireless/intersil/hostap/hostap_ap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/intersil/hostap/hostap_ap.c b/drivers/net/wireless/intersil/hostap/hostap_ap.c
index 3ec46f48cfde1..8bcc1cdcb75b0 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_ap.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_ap.c
@@ -1504,7 +1504,7 @@ static void handle_assoc(local_info_t *local, struct sk_buff *skb,
 	u16 resp = WLAN_STATUS_SUCCESS;
 	struct sta_info *sta = NULL;
 	int send_deauth = 0;
-	char *txt = "";
+	char __always_unused *txt = "";
 	u8 prev_ap[ETH_ALEN];
 
 	left = len = skb->len - IEEE80211_MGMT_HDR_LEN;
-- 
2.25.1