- for (i = 0; i < ARRAY_SIZE(ua->intf); ++i)
- if (ua->intf[i]) {
- usb_set_intfdata(ua->intf[i], NULL);
- if (ua->intf[i] != interface)
+ for (i = 0; i < ARRAY_SIZE(ua->intf); ++i) {
+ mutex_lock(&ua->mutex);
+ intf = ua->intf[i];
+ ua->intf[i] = NULL;
+ mutex_unlock(&ua->mutex);
+ if (intf) {
+ usb_set_intfdata(intf, NULL);
+ if (intf != interface)