[PATCH mt76] wifi: mt76: mt7603: free beacon SKB on error
From: David Bauer
Date: Thu Jun 11 2026 - 18:05:16 EST
The SKB containing the generated beacon is not freed when the beacon
queue is deected stuck and scheduled for recovery.
Fixes potential memory leaks in case the beacon queue is detected stuck.
Signed-off-by: David Bauer <mail@xxxxxxxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt7603/beacon.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c b/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c
index 300a7f9c2ef11..acca98139f92e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c
@@ -56,6 +56,7 @@ mt7603_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
FIELD_PREP(MT_DMA_FQCR0_TARGET_QID, MT_TX_HW_QUEUE_BCN));
if (!mt76_poll(dev, MT_DMA_FQCR0, MT_DMA_FQCR0_BUSY, 0, 5000)) {
dev->beacon_check = MT7603_WATCHDOG_TIMEOUT;
+ dev_kfree_skb(skb);
goto out;
}
@@ -63,6 +64,7 @@ mt7603_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
FIELD_PREP(MT_DMA_FQCR0_TARGET_QID, MT_TX_HW_QUEUE_BMC));
if (!mt76_poll(dev, MT_DMA_FQCR0, MT_DMA_FQCR0_BUSY, 0, 5000)) {
dev->beacon_check = MT7603_WATCHDOG_TIMEOUT;
+ dev_kfree_skb(skb);
goto out;
}
--
2.53.0