Commit b7bd98b7 authored Dec 11, 2015 by David Eccher Committed by Felipe Balbi Dec 16, 2015

usb: gadget: inode.c: fix unbalanced spin_lock in ep0_write



Fix bad unlock balance: ep0_write enter with the locks locked from
inode.c:1769, hence it must exit with spinlock held to avoid double
unlock in dev_config.

Signed-off-by: David Eccher <d.eccher@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

parent d0450272

drivers/usb/gadget/legacy/inode.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -1137,10 +1137,9 @@ ep0_write (struct file fd, const char __user buf, size_t len, loff_t *ptr)
		dev->gadget->ep0, dev->req,
		GFP_KERNEL);
		}
		if (retval < 0) {
		spin_lock_irq(&dev->lock);
		if (retval < 0) {
		clean_req (dev->gadget->ep0, dev->req);
		spin_unlock_irq (&dev->lock);
		} else
		retval = len;