From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Fri, 24 Apr 2015 16:03:37 +0000 (-0500)
Subject: rtlwifi: rtl8192cu: Fix kernel deadlock
X-Git-Tag: omap-for-v4.2/wakeirq-drivers~2^2~30^2~28^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=414b7e3b9ce8b0577f613e656fdbc36b34b444dd;p=pandora-kernel.git

rtlwifi: rtl8192cu: Fix kernel deadlock

The USB mini-driver in rtlwifi, which is used by rtl8192cu, issues a call to
usb_control_msg() with a timeout value of 0. In some instances where the
interface is shutting down, this infinite wait results in a CPU deadlock. A
one second timeout fixes this problem without affecting any normal operations.

This bug is reported at https://bugzilla.novell.com/show_bug.cgi?id=927786.

Reported-by: Bernhard Wiedemann <bwiedemann@suse.com>
Tested-by: Bernhard Wiedemann <bwiedemann@suse.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Cc: Bernhard Wiedemann <bwiedemann@suse.com>
Cc: Takashi Iwai<tiwai@suse.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---

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