From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 23 Jul 2012 09:35:55 +0000 (+0200)
Subject: ALSA: mpu401: Fix missing initialization of irq field
X-Git-Tag: v3.2.27~41
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=67258e44992f03cd580e77b30d4c330f93eebaf7;p=pandora-kernel.git

ALSA: mpu401: Fix missing initialization of irq field

commit bc733d495267a23ef8660220d696c6e549ce30b3 upstream.

The irq field of struct snd_mpu401 is supposed to be initialized to -1.
Since it's set to zero as of now, a probing error before the irq
installation results in a kernel warning "Trying to free already-free
IRQ 0".

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=44821
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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