diff --git a/[refs] b/[refs]
index 7a5e4a1f6013..ed072242a1fd 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8a7471aba19dc526978a03bfe2e3c122712b5900
+refs/heads/master: ba307f5828b1b4a1348d99c4f430a0cf3beeae2f
diff --git a/trunk/drivers/usb/gadget/inode.c b/trunk/drivers/usb/gadget/inode.c
index 72c88aa94d5d..ab508858f341 100644
--- a/trunk/drivers/usb/gadget/inode.c
+++ b/trunk/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;
 }