usb: gadget: f_fs: add missing spinlock and mutex unlock

This patch adds missing spin_unlock and mutex_unlock calls in
error handling code.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Robert Baldyga 2014-03-10 09:33:37 +01:00 committed by Greg Kroah-Hartman
parent dad4babe41
commit 48968f8d5f

View File

@ -802,7 +802,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
if (io_data->aio) {
req = usb_ep_alloc_request(ep->ep, GFP_KERNEL);
if (unlikely(!req))
goto error;
goto error_lock;
req->buf = data;
req->length = io_data->len;
@ -817,7 +817,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
ret = usb_ep_queue(ep->ep, req, GFP_ATOMIC);
if (unlikely(ret)) {
usb_ep_free_request(ep->ep, req);
goto error;
goto error_lock;
}
ret = -EIOCBQUEUED;
@ -865,6 +865,10 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
mutex_unlock(&epfile->mutex);
return ret;
error_lock:
spin_unlock_irq(&epfile->ffs->eps_lock);
mutex_unlock(&epfile->mutex);
error:
kfree(data);
return ret;