ALSA: firewire-digi00x: fix memory leak of private data
authorTakashi Sakamoto <o-takashi@sakamocchi.jp>
Thu, 13 Sep 2018 12:30:34 +0000 (21:30 +0900)
committerTakashi Iwai <tiwai@suse.de>
Thu, 13 Sep 2018 13:12:57 +0000 (15:12 +0200)
commita49a83ab05e34edd6c71a4fbd062c9a7ba6d18aa
treeb9f8f4c12d77af39ee4fcaff14732464c7294052
parent49434c6c575d2008c0abbc93e615019f39e01252
ALSA: firewire-digi00x: fix memory leak of private data

Although private data of sound card instance is usually allocated in the
tail of the instance, drivers in ALSA firewire stack allocate the private
data before allocating the instance. In this case, the private data
should be released explicitly at .private_free callback of the instance.

This commit fixes memory leak following to the above design.

Fixes: 86c8dd7f4da3 ('ALSA: firewire-digi00x: delayed registration of sound card')
Cc: <stable@vger.kernel.org> # v4.7+
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/firewire/digi00x/digi00x.c