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usb: gadget: f_midi: fix error recovery path

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In case kstrdup() fails the resources to release are
midi->in_port[] and midi. No cards have been registered,
so no need to unregister any.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Andrzej Pietrasiewicz 2015-07-03 14:02:29 +02:00 committed by Felipe Balbi
parent 543aa4867d
commit b2e2c94b87
1 changed files with 1 additions and 3 deletions
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4
drivers/usb/gadget/function/f_midi.c
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@ -1145,7 +1145,7 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi)
if (opts->id && !midi->id) {
status = -ENOMEM;
mutex_unlock(&opts->lock);
goto kstrdup_fail;
goto setup_fail;
}
midi->in_ports = opts->in_ports;
midi->out_ports = opts->out_ports;
@ -1164,8 +1164,6 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi)
return &midi->func;
kstrdup_fail:
f_midi_unregister_card(midi);
setup_fail:
for (--i; i >= 0; i--)
kfree(midi->in_port[i]);