diff options
Diffstat (limited to 'drivers/usb/gadget/f_fs.c')
| -rw-r--r-- | drivers/usb/gadget/f_fs.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index f52cb1ae45d..1d4c535671a 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1473,8 +1473,22 @@ static int functionfs_bind_config(struct usb_composite_dev *cdev, static void ffs_func_free(struct ffs_function *func) { + struct ffs_ep *ep = func->eps; + unsigned count = func->ffs->eps_count; + unsigned long flags; + ENTER(); + /* cleanup after autoconfig */ + spin_lock_irqsave(&func->ffs->eps_lock, flags); + do { + if (ep->ep && ep->req) + usb_ep_free_request(ep->ep, ep->req); + ep->req = NULL; + ++ep; + } while (--count); + spin_unlock_irqrestore(&func->ffs->eps_lock, flags); + ffs_data_put(func->ffs); kfree(func->eps); |