[alsa-devel] [PATCH] ALSA: usb-audio: Fix incorrect NULL check in create_yamaha_midi_quirk()
Pavel Machek
pavel at denx.de
Mon Nov 18 15:34:40 CET 2019
On Wed 2019-11-13 12:12:59, Takashi Iwai wrote:
> The commit 60849562a5db ("ALSA: usb-audio: Fix possible NULL
> dereference at create_yamaha_midi_quirk()") added NULL checks in
> create_yamaha_midi_quirk(), but there was an overlook. The code
> allows one of either injd or outjd is NULL, but the second if check
> made returning -ENODEV if any of them is NULL. Fix it in a proper
> form.
>
> Fixes: 60849562a5db ("ALSA: usb-audio: Fix possible NULL dereference at create_yamaha_midi_quirk()")
> Reported-by: Pavel Machek <pavel at denx.de>
> Cc: <stable at vger.kernel.org>
> Signed-off-by: Takashi Iwai <tiwai at suse.de>
Thanks for doing this.
Acked-by: Pavel Machek <pavel at denx.de>
Pavel
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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