netdev - [PATCH 3/4] sfc: resolve tx multiqueue bug

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Message-ID: <20080718180156.GH10471@solarflare.com>
Date:	Fri, 18 Jul 2008 19:01:57 +0100
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Jeff Garzik <jgarzik@...ox.com>
Cc:	netdev@...r.kernel.org, linux-net-drivers@...arflare.com
Subject: [PATCH 3/4] sfc: resolve tx multiqueue bug

With the recent changes to tx multiqueue, sfc was not calling
netif_start_queue() before calling netif_wake_queue().
This causes an oops when opening a device.

Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>
---
 drivers/net/sfc/tx.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index 5cdd082..798b06b 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -53,6 +53,7 @@ inline void efx_wake_queue(struct efx_nic *efx)
 	if (atomic_dec_and_lock(&efx->netif_stop_count,
 				&efx->netif_stop_lock)) {
 		EFX_TRACE(efx, "waking TX queue\n");
+		netif_start_queue(efx->net_dev);
 		netif_wake_queue(efx->net_dev);
 		spin_unlock(&efx->netif_stop_lock);
 	}

-- 
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
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