From: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Date: Mon, 1 Jun 2009 00:35:16 +0000 (+0000)
Subject: Phonet: fix accounting race between gprs_writeable() and gprs_xmit()
X-Git-Tag: v2.6.31-rc1~330^2~197
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bbd5898d39ab9f855c732f6f07e40e95b05cf52a;p=pandora-kernel.git

Phonet: fix accounting race between gprs_writeable() and gprs_xmit()

In the unlikely event that gprs_writeable() and gprs_xmit() check for
writeability at the same, we could stop the device queue forever.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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