stmmac: release tx lock, in case of dma mapping error.
Add missing spin_unlock when tx frames gets dropped. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -2026,6 +2026,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
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return NETDEV_TX_OK;
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dma_map_err:
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spin_unlock(&priv->tx_lock);
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dev_err(priv->device, "Tx dma map failed\n");
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dev_kfree_skb(skb);
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priv->dev->stats.tx_dropped++;
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