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| author | Andrey Konovalov <andreyknvl@gmail.com> | 2016-02-13 11:08:06 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2016-02-13 09:30:58 +0100 |
| commit | 07d86ca93db7e5cdf4743564d98292042ec21af7 (patch) | |
| tree | 7738a3aefacb69ee6e0b380d6625043f19f01a42 /sound/usb/midi.c | |
| parent | 86c2ee16704522a546c0ee1e8238096e3c391468 (diff) | |
| download | linux-07d86ca93db7e5cdf4743564d98292042ec21af7.tar.gz linux-07d86ca93db7e5cdf4743564d98292042ec21af7.tar.bz2 linux-07d86ca93db7e5cdf4743564d98292042ec21af7.zip | |
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>
Diffstat (limited to 'sound/usb/midi.c')
| -rw-r--r-- | sound/usb/midi.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/sound/usb/midi.c b/sound/usb/midi.c index cc39f63299ef..007cf5831121 100644 --- a/sound/usb/midi.c +++ b/sound/usb/midi.c @@ -2455,7 +2455,6 @@ int snd_usbmidi_create(struct snd_card *card, else err = snd_usbmidi_create_endpoints(umidi, endpoints); if (err < 0) { - snd_usbmidi_free(umidi); return err; } |