From 758a0ab59b9bed75d8c8fcaed3cb41f10a586793 Mon Sep 17 00:00:00 2001 From: Fabrice Gasnier Date: Tue, 4 Nov 2014 17:08:06 +0100 Subject: [PATCH] stmmac: release tx lock, in case of dma mapping error. Add missing spin_unlock when tx frames gets dropped. Signed-off-by: Fabrice Gasnier Acked-by: Giuseppe Cavallaro Signed-off-by: David S. Miller --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index bcd8a3414722..ee07e7eee647 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2026,6 +2026,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; dma_map_err: + spin_unlock(&priv->tx_lock); dev_err(priv->device, "Tx dma map failed\n"); dev_kfree_skb(skb); priv->dev->stats.tx_dropped++; -- 2.39.5