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* [06/27] media: dvb_usb_v2: use usb_fill_int_urb()
@ 2018-06-20 11:00 Sebastian Andrzej Siewior
  0 siblings, 0 replies; only message in thread
From: Sebastian Andrzej Siewior @ 2018-06-20 11:00 UTC (permalink / raw)
  To: linux-media
  Cc: Mauro Carvalho Chehab, linux-usb, tglx, Sebastian Andrzej Siewior,
	Antti Palosaari

Using usb_fill_int_urb() helps to find code which initializes an
URB. A grep for members of the struct (like ->complete) reveal lots
of other things, too.

Cc: Antti Palosaari <crope@iki.fi>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
 drivers/media/usb/dvb-usb-v2/usb_urb.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/media/usb/dvb-usb-v2/usb_urb.c b/drivers/media/usb/dvb-usb-v2/usb_urb.c
index b0499f95ec45..e5e0bf96bad2 100644
--- a/drivers/media/usb/dvb-usb-v2/usb_urb.c
+++ b/drivers/media/usb/dvb-usb-v2/usb_urb.c
@@ -180,18 +180,17 @@ static int usb_urb_alloc_isoc_urbs(struct usb_data_stream *stream)
 		}
 
 		urb = stream->urb_list[i];
+		usb_fill_int_urb(urb, stream->udev,
+				 usb_rcvisocpipe(stream->udev,
+						 stream->props.endpoint),
+				 stream->buf_list[i],
+				 stream->props.u.isoc.framesize *
+				 stream->props.u.isoc.framesperurb,
+				 usb_urb_complete, stream,
+				 stream->props.u.isoc.interval);
 
-		urb->dev = stream->udev;
-		urb->context = stream;
-		urb->complete = usb_urb_complete;
-		urb->pipe = usb_rcvisocpipe(stream->udev,
-				stream->props.endpoint);
 		urb->transfer_flags = URB_ISO_ASAP | URB_FREE_BUFFER;
-		urb->interval = stream->props.u.isoc.interval;
 		urb->number_of_packets = stream->props.u.isoc.framesperurb;
-		urb->transfer_buffer_length = stream->props.u.isoc.framesize *
-				stream->props.u.isoc.framesperurb;
-		urb->transfer_buffer = stream->buf_list[i];
 
 		for (j = 0; j < stream->props.u.isoc.framesperurb; j++) {
 			urb->iso_frame_desc[j].offset = frame_offset;

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