From: Daniel Pieczko <dpieczko@solarflare.com>
Date: Wed, 17 Oct 2012 12:21:23 +0000 (+0100)
Subject: sfc: lock TX queues when calling netif_device_detach()
X-Git-Tag: v3.2.42~49
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5a4b28844e7eb7e8029a0f6d4449ac0dcc6e930b;p=pandora-kernel.git

sfc: lock TX queues when calling netif_device_detach()

[ Upstream commit c2f3b8e3a44b6fe9e36704e30157ebe1a88c08b1 ]

The assertion of netif_device_present() at the top of
efx_hard_start_xmit() may fail if we don't do this.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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