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@vivo.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

On 8/24/2025 7:29 PM, Liao Yuanhong wrote:
> 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.

not only that, but drv_get_ftm_responder_stats() is declared to return int

> 
> Signed-off-by: Liao Yuanhong <liaoyuanhong@vivo.com>

Reviewed-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>