Commit f45e2a02 authored Jan 23, 2017 by Felipe Balbi Committed by Greg Kroah-Hartman Jan 25, 2017

usb: host: xhci: check for a valid ring when unmapping bounce buffer



This way we can remove checks for valid ring from call sites of
xhci_unmap_td_bounce_buffer()

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent f3899a28

drivers/usb/host/xhci-ring.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -655,7 +655,7 @@ static void xhci_unmap_td_bounce_buffer(struct xhci_hcd *xhci,
		struct xhci_segment *seg = td->bounce_seg;
		struct urb *urb = td->urb;

		if (!seg \|\| !urb)
		if (!ring \|\| !seg \|\| !urb)
		return;

		if (usb_urb_dir_out(urb)) {