usb: gadget: f_midi: fix error recovery path

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>

diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 6316aa5..ad50a67 100644 (file)
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -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]);