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charset="utf-8" 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 Reviewed-by: Jeff Johnson --- 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 *l= ocal, struct ieee80211_sub_if_data *sdata, struct cfg80211_ftm_responder_stats *ftm_stats) { - u32 ret =3D -EOPNOTSUPP; + int ret =3D -EOPNOTSUPP; =20 might_sleep(); lockdep_assert_wiphy(local->hw.wiphy); --=20 2.34.1