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From: Pavel Machek <pavel@ucw.cz>
To: peppe.cavallaro@st.com, netdev@vger.kernel.org,
	kernel list <linux-kernel@vger.kernel.org>,
	ezequiel@vanguardiasur.com.ar, sonic.zhang@analog.com,
	fabrice.gasnier@st.com
Subject: [PATCH] stmmac ethernet: unify locking
Date: Thu, 24 Nov 2016 11:46:19 +0100	[thread overview]
Message-ID: <20161124104619.GA30723@amd> (raw)
In-Reply-To: <20161124103630.GB27793@amd>

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Make locking match in both _xmit functions.
   
Signed-off-by: Pavel Machek <pavel@denx.de>

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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  reply	other threads:[~2016-11-24 10:46 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-23 10:51 stmmac ethernet in kernel 4.4: coalescing related pauses? Pavel Machek
2016-11-24  8:55 ` stmmac ethernet in kernel 4.9-rc6: coalescing related pauses Pavel Machek
2016-11-24 10:29   ` Pavel Machek
2016-11-24 10:36     ` Pavel Machek
2016-11-24 10:46       ` Pavel Machek [this message]
2016-11-24 11:05         ` [PATCH] stmmac ethernet: remove cut & paste code Pavel Machek
2016-11-24 20:05           ` Joe Perches
2016-11-24 21:44             ` Pavel Machek
2016-11-24 22:27               ` Joe Perches
2016-11-28 11:50                 ` Pavel Machek
2016-11-28 14:24                   ` Joe Perches
2016-11-28 14:35                     ` Pavel Machek
2016-11-28 16:03                       ` Joe Perches
2016-11-24 16:04   ` stmmac ethernet in kernel 4.9-rc6: coalescing related pauses David Miller
2016-11-24 21:25     ` Pavel Machek
2016-12-02  8:24       ` Giuseppe CAVALLARO
2016-12-02  8:41         ` Giuseppe CAVALLARO
2016-12-02  8:45         ` Pavel Machek
2016-12-02  9:43           ` Giuseppe CAVALLARO
2016-12-02 12:32             ` Pavel Machek
2016-12-02 13:51               ` Giuseppe CAVALLARO
2016-12-02 14:26                 ` Alexandre Torgue
2016-12-02 15:19                   ` Giuseppe CAVALLARO
2016-12-05 12:14                     ` Pavel Machek
2016-12-05 12:01                 ` Pavel Machek
2016-12-05 10:15             ` Pavel Machek
2016-12-05 11:40               ` Lino Sanfilippo
2016-12-05 22:02                 ` Pavel Machek
2016-12-05 22:37                   ` Lino Sanfilippo
2016-12-05 22:40                     ` Pavel Machek
2016-12-05 22:54                       ` Lino Sanfilippo
2016-12-05 23:11                         ` Lino Sanfilippo
2016-12-02 14:05           ` Aw: " Lino Sanfilippo
2016-12-07 12:31             ` [RFC] " Pavel Machek
2016-12-07 13:18               ` Lino Sanfilippo
2016-12-05 11:56         ` Pavel Machek
2016-11-28 11:55     ` [PATCH] stmmac: fix comments, make debug output consistent Pavel Machek
2016-11-30  0:53       ` David Miller
2016-11-28 12:13     ` stmmac ethernet in kernel 4.9-rc6: coalescing related pauses Pavel Machek
2016-11-28 12:17     ` [PATCH] stmmac: reduce code duplication getting basic descriptors Pavel Machek
2016-11-28 15:25       ` kbuild test robot
2016-12-02 14:09       ` Alexandre Torgue
2016-11-30 11:44     ` [PATCH] stmmac: simplify flag assignment Pavel Machek
2016-12-01 20:23       ` David Miller
2016-12-01 22:48         ` stmmac: turn coalescing / NAPI off in stmmac Pavel Machek
2016-12-02  8:39           ` Giuseppe CAVALLARO
2016-12-02 10:42             ` Pavel Machek
2016-12-02 15:31               ` Giuseppe CAVALLARO
2016-12-05 11:45                 ` Pavel Machek
2016-12-02  8:27       ` [PATCH] stmmac: simplify flag assignment Giuseppe CAVALLARO
2016-12-01 10:32     ` [PATCH] stmmac: cleanup documenation, make it match reality Pavel Machek
2016-12-03 20:07       ` David Miller
2016-12-05 12:27     ` [PATCH] stmmac: disable tx coalescing Pavel Machek
2016-12-11 19:07       ` Pavel Machek
2016-12-11 19:31         ` David Miller
2016-12-11 19:57           ` Pavel Machek
2016-11-28 13:07 ` stmmac ethernet in kernel 4.4: coalescing related pauses? Lino Sanfilippo
2016-11-28 14:54   ` David Miller
2016-11-28 15:31     ` Eric Dumazet
2016-11-28 15:57       ` Lino Sanfilippo
2016-11-28 16:30         ` David Miller
2016-11-28 17:01           ` Lino Sanfilippo
2016-11-30 10:28       ` Pavel Machek
2016-11-28 15:33     ` Lino Sanfilippo

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