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[PATCH] wifi: mt76: mt7915: Fix an error handling path in mt7915_add_interface()

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If mt76_wcid_alloc() fails, the "mt76.mutex" mutex needs to be released as
done in the other error handling path of mt7915_add_interface().

Fixes: f3049b88b2b3 ("wifi: mt76: mt7915: allocate vif wcid in the same range as stations")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
Compile tested only
---
 drivers/net/wireless/mediatek/mt76/mt7915/main.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index d75e8dea1fbd..bea8b77b1b92 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -246,8 +246,10 @@ static int mt7915_add_interface(struct ieee80211_hw *hw,
 	phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
 
 	idx = mt76_wcid_alloc(dev->mt76.wcid_mask, mt7915_wtbl_size(dev));
-	if (idx < 0)
-		return -ENOSPC;
+	if (idx < 0) {
+		ret = -ENOSPC;
+		goto out;
+	}
 
 	INIT_LIST_HEAD(&mvif->sta.rc_list);
 	INIT_LIST_HEAD(&mvif->sta.wcid.poll_list);
-- 
2.46.2





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