linux-kernel - [PATCH] wifi: mac80211: fix incorrect type for ret

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Message-Id: <20250825022911.139377-1-liaoyuanhong@vivo.com>
Date: Mon, 25 Aug 2025 10:29:11 +0800
From: Liao Yuanhong <liaoyuanhong@...o.com>
To: Johannes Berg <johannes@...solutions.net>,
	linux-wireless@...r.kernel.org (open list:MAC80211),
	linux-kernel@...r.kernel.org (open list)
Cc: Liao Yuanhong <liaoyuanhong@...o.com>
Subject: [PATCH] wifi: mac80211: fix incorrect type for ret

The variable ret is declared as a u32 type, but it is assigned a value
of -EOPNOTSUPP. Since unsigned types cannot correctly represent negative
values, the type of ret should be changed to int.

Signed-off-by: Liao Yuanhong <liaoyuanhong@...o.com>
---
 net/mac80211/driver-ops.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 181bcb34b795..55105d238d6b 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -1416,7 +1416,7 @@ drv_get_ftm_responder_stats(struct ieee80211_local *local,
 			    struct ieee80211_sub_if_data *sdata,
 			    struct cfg80211_ftm_responder_stats *ftm_stats)
 {
-	u32 ret = -EOPNOTSUPP;
+	int ret = -EOPNOTSUPP;
 
 	might_sleep();
 	lockdep_assert_wiphy(local->hw.wiphy);
-- 
2.34.1