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ALSA: usb-audio: avoid freeing umidi object twice
authorAndrey Konovalov <andreyknvl@gmail.com>
Sat, 13 Feb 2016 08:08:06 +0000 (11:08 +0300)
committerTakashi Iwai <tiwai@suse.de>
Sat, 13 Feb 2016 08:30:58 +0000 (09:30 +0100)
commit8228cff0fa84b919e36b59de860d820ff67d950d
tree7738a3aefacb69ee6e0b380d6625043f19f01a42tree | snapshot
parentcee92c09d062baf21fe3b36b343009b542bca5e6commit | diff
ALSA: usb-audio: avoid freeing umidi object twice

The 'umidi' object will be free'd on the error path by snd_usbmidi_free()
when tearing down the rawmidi interface. So we shouldn't try to free it
in snd_usbmidi_create() after having registered the rawmidi interface.

Found by KASAN.

Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/midi.c diff | blob | history
Linux Kernel Source Tree.