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path: root/drivers/usb/gadget/f_midi.c
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Diffstat (limited to 'drivers/usb/gadget/f_midi.c')
-rw-r--r--drivers/usb/gadget/f_midi.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/usb/gadget/f_midi.c b/drivers/usb/gadget/f_midi.c
index 8ed1259fe80d..263e721c2694 100644
--- a/drivers/usb/gadget/f_midi.c
+++ b/drivers/usb/gadget/f_midi.c
@@ -414,7 +414,7 @@ static void f_midi_unbind(struct usb_configuration *c, struct usb_function *f)
kfree(midi->id);
midi->id = NULL;
- usb_free_descriptors(f->descriptors);
+ usb_free_all_descriptors(f);
kfree(midi);
}
@@ -881,19 +881,25 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f)
* both speeds
*/
/* copy descriptors, and track endpoint copies */
+ f->fs_descriptors = usb_copy_descriptors(midi_function);
+ if (!f->fs_descriptors)
+ goto fail_f_midi;
+
if (gadget_is_dualspeed(c->cdev->gadget)) {
- c->highspeed = true;
bulk_in_desc.wMaxPacketSize = cpu_to_le16(512);
bulk_out_desc.wMaxPacketSize = cpu_to_le16(512);
f->hs_descriptors = usb_copy_descriptors(midi_function);
- } else {
- f->descriptors = usb_copy_descriptors(midi_function);
+ if (!f->hs_descriptors)
+ goto fail_f_midi;
}
kfree(midi_function);
return 0;
+fail_f_midi:
+ kfree(midi_function);
+ usb_free_descriptors(f->hs_descriptors);
fail:
/* we might as well release our claims on endpoints */
if (midi->out_ep)