3.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Andrey Konovalov <andreyknvl@xxxxxxxxx>
commit 07d86ca93db7e5cdf4743564d98292042ec21af7 upstream.
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@xxxxxxxxx>
Acked-by: Clemens Ladisch <clemens@xxxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
sound/usb/midi.c | 1 -
1 file changed, 1 deletion(-)
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -2365,7 +2365,6 @@ int snd_usbmidi_create(struct snd_card *
else
err = snd_usbmidi_create_endpoints(umidi, endpoints);
if (err < 0) {
- snd_usbmidi_free(umidi);
return err;
}
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