On Sun, 27 Oct 2019 23:10:06 +0100, Navid Emamdoost wrote: > > In the implementation of __snd_usbmidi_create() there is a memory leak > caused by incorrect goto destination. Go to free_midi if > snd_usbmidi_create_endpoints_midiman() or snd_usbmidi_create_endpoints() > fail. No, this will lead to double-free. After registering the rawmidi interface at snd_usbmidi_create_rawmidi(), the common destructor will be called via rawmidi private_free callback, and this will release the all resources already. thanks, Takashi > > Fixes: 731209cc0417 ("ALSA: usb-midi: Use common error handling code in __snd_usbmidi_create()") > Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx> > --- > sound/usb/midi.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/sound/usb/midi.c b/sound/usb/midi.c > index b737f0ec77d0..22db37fbfbbd 100644 > --- a/sound/usb/midi.c > +++ b/sound/usb/midi.c > @@ -2476,7 +2476,7 @@ int __snd_usbmidi_create(struct snd_card *card, > else > err = snd_usbmidi_create_endpoints(umidi, endpoints); > if (err < 0) > - goto exit; > + goto free_midi; > > usb_autopm_get_interface_no_resume(umidi->iface); > > -- > 2.17.1 > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel