On 2013-01-10 21:19, Takashi Iwai wrote: > From: Takashi Iwai <[email protected]> > 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 <[email protected]> > Signed-off-by: Takashi Iwai <[email protected]>
Confirmed, it works. You can add my tested-by too. Thanks Takashi! -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
