From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Tue, 17 Jan 2012 11:38:50 +0000 (+0100)
Subject: brcmsmac: fix tx queue flush infinite loop
X-Git-Tag: v3.3-rc2~37^2~62^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f96b08a7e6f69c0f0a576554df3df5b1b519c479;p=pandora-kernel.git

brcmsmac: fix tx queue flush infinite loop

This patch workaround live deadlock problem caused by infinite loop
in brcms_c_wait_for_tx_completion(). I do not consider the patch as
the proper fix, which should fix the real reason of tx queue flush
failure, but patch helps with system lockup.

Reference:
https://bugzilla.kernel.org/show_bug.cgi?id=42576

Reported-and-tested-by: Patrick <ragamuffin@datacomm.ch>
Cc: stable@vger.kernel.org # 3.2+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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