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: Jaroslav Kysela <pe...@perex.cz>
Cc: Takashi Iwai <ti...@suse.com>
Cc: Clemens Ladisch <clem...@ladisch.de>
Signed-off-by: Sebastian Andrzej Siewior <bige...@linutronix.de>
---
sound/usb/misc/ua101.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c
index 386fbfd5c617..7002fb4c1bce 100644
--- a/sound/usb/misc/ua101.c
+++ b/sound/usb/misc/ua101.c
@@ -1118,16 +1118,12 @@ static int alloc_stream_urbs(struct ua101 *ua, struct
ua101_stream *stream,
if (!urb)
return -ENOMEM;
usb_init_urb(&urb->urb);
- urb->urb.dev = ua->dev;
- urb->urb.pipe = stream->usb_pipe;
+ usb_fill_int_urb(&urb->urb, ua->dev, stream->usb_pipe,
+ addr, max_packet_size, urb_complete,
+ ua, 1);
urb->urb.transfer_flags = URB_NO_TRANSFER_DMA_MAP;
- urb->urb.transfer_buffer = addr;
urb->urb.transfer_dma = dma;
- urb->urb.transfer_buffer_length = max_packet_size;
urb->urb.number_of_packets = 1;
- urb->urb.interval = 1;
- urb->urb.context = ua;
- urb->urb.complete = urb_complete;
urb->urb.iso_frame_desc[0].offset = 0;
urb->urb.iso_frame_desc[0].length = max_packet_size;
stream->urbs[u++] = urb;
--
2.17.1
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