Messages in this thread | | | Date | Fri, 11 Jan 2013 08:47:25 +0100 | From | Jens Axboe <> | Subject | Re: Oops in sound/usb/pcm.c:match_endpoint_audioformats() in current -git |
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On 2013-01-10 21:19, Takashi Iwai wrote: > From: Takashi Iwai <tiwai@suse.de> > Subject: [PATCH v2] ALSA: usb-audio: Fix NULL dereference by access to > non-existing substream > > The commit [0d9741c0: ALSA: usb-audio: sync ep init fix for > audioformat mismatch] introduced the correction of parameters to be > set for sync EP. But since the new code assumes that the sync EP is > always paired with the data EP of another direction, it triggers Oops > when a device only with a single direction is used. > > This patch adds a proper check of sync EP type and the presence of the > paired substream for avoiding the crash. > > Reported-by: Jens Axboe <axboe@kernel.dk> > Signed-off-by: Takashi Iwai <tiwai@suse.de>
Confirmed, it works. You can add my tested-by too. Thanks Takashi!
-- Jens Axboe
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