netdev - Re: [for,4.1] rtlwifi: rtl8192cu: Fix kernel deadlock

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Date:	Tue, 28 Apr 2015 10:55:59 +0000 (UTC)
From:	Kalle Valo <kvalo@...eaurora.org>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	linux-wireless@...r.kernel.org,
	Larry Finger <Larry.Finger@...inger.net>,
	netdev@...r.kernel.org, Stable <stable@...r.kernel.org>,
	Bernhard Wiedemann <bwiedemann@...e.com>,
	Takashi Iwai <tiwai@...e.com>
Subject: Re: [for,4.1] 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@...e.com>
> Tested-by: Bernhard Wiedemann <bwiedemann@...e.com>
> Signed-off-by: Larry Finger <Larry.Finger@...inger.net>
> Cc: Stable <stable@...r.kernel.org>
> Cc: Bernhard Wiedemann <bwiedemann@...e.com>
> Cc: Takashi Iwai<tiwai@...e.com>

Thanks, applied to wireless-drivers.git.

Kalle Valo
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