Messages in this thread Patch in this message | | | From | Andrey Konovalov <> | Subject | [PATCH] midi: avoid freeing umidi object twice | Date | Sat, 13 Feb 2016 11:08:06 +0300 |
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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.
Acked-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com> --- sound/usb/midi.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/sound/usb/midi.c b/sound/usb/midi.c index cc39f63..007cf58 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; } -- 1.9.1
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