Thread (64 messages) flat view 64 messages, 10 authors, 2016-12-11
STALE3545d

[PATCH] stmmac ethernet: unify locking

From: Pavel Machek <hidden>
Date: 2016-11-24 10:46:25
Also in: lkml
Subsystem: networking drivers, stmmac ethernet driver, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Maxime Chevallier, Linus Torvalds

Make locking match in both _xmit functions.
   
Signed-off-by: Pavel Machek <redacted>
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 0363db3..1cff258 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -2185,12 +2185,12 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
 	spin_lock(&priv->tx_lock);
 
 	if (unlikely(stmmac_tx_avail(priv) < nfrags + 1)) {
-		spin_unlock(&priv->tx_lock);
 		if (!netif_queue_stopped(dev)) {
 			netif_stop_queue(dev);
 			/* This is a hard error, log it. */
 			pr_err("%s: Tx Ring full when queue awake\n", __func__);
 		}
+		spin_unlock(&priv->tx_lock);
 		return NETDEV_TX_BUSY;
 	}
 
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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