diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/inode.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 72c88aa94d5..ab508858f34 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -477,6 +477,10 @@ static int ep_release (struct inode *inode, struct file *fd) { struct ep_data *data = fd->private_data; + int value; + + if ((value = down_interruptible(&data->lock)) < 0) + return value; /* clean up if this can be reopened */ if (data->state != STATE_EP_UNBOUND) { @@ -485,6 +489,7 @@ ep_release (struct inode *inode, struct file *fd) data->hs_desc.bDescriptorType = 0; usb_ep_disable(data->ep); } + up (&data->lock); put_ep (data); return 0; } |