diff options
Diffstat (limited to 'drivers/usb/gadget/inode.c')
| -rw-r--r-- | drivers/usb/gadget/inode.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 3ed73f49cf1..a01383f71f3 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -386,8 +386,10 @@ ep_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr) /* halt any endpoint by doing a "wrong direction" i/o call */ if (usb_endpoint_dir_in(&data->desc)) { - if (usb_endpoint_xfer_isoc(&data->desc)) + if (usb_endpoint_xfer_isoc(&data->desc)) { + mutex_unlock(&data->lock); return -EINVAL; + } DBG (data->dev, "%s halt\n", data->name); spin_lock_irq (&data->dev->lock); if (likely (data->ep != NULL)) |