From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 19 Feb 2010 23:47:32 +0000 (-0800)
Subject: iwlwifi: error checking for number of tfds in queue
X-Git-Tag: v2.6.33~5^2~1^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a239a8b47cc0e5e6d7416a89f340beac06d5edaa;p=pandora-kernel.git

iwlwifi: error checking for number of tfds in queue

When receive reply_tx and ready to decrement the count for number of
tfds in queue, do error checking to prevent error condition and
tfds_in_queue become negative number.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
CC: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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