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Commit 09d94cbd authored by Thomas Pugliese's avatar Thomas Pugliese Committed by Greg Kroah-Hartman
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usb: wusbcore: rename urb to tr_urb in struct wa_seg 



Rename urb to tr_urb in struct wa_seg to make it clear that the urb is
used for the transfer request.

Signed-off-by: default avatarThomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 8c9247a6

drivers/usb/wusbcore/wa-xfer.c

+16 −14
Original line number Diff line number Diff line
@@ -114,8 +114,8 @@ static void wa_xfer_delayed_run(struct wa_rpipe *); 
 * struct).

 */

struct wa_seg {

	struct urb urb;

	struct urb *dto_urb;		/* for data output? */

	struct urb tr_urb;		/* transfer request urb. */

	struct urb *dto_urb;		/* for data output. */

	struct list_head list_node;	/* for rpipe->req_list */

	struct wa_xfer *xfer;		/* out xfer */

	u8 index;			/* which segment we are */
@@ -127,11 +127,11 @@ struct wa_seg { 


static inline void wa_seg_init(struct wa_seg *seg)

{

	usb_init_urb(&seg->urb);

	usb_init_urb(&seg->tr_urb);



	/* set the remaining memory to 0. */

	memset(((void *)seg) + sizeof(seg->urb), 0,

		sizeof(*seg) - sizeof(seg->urb));

	memset(((void *)seg) + sizeof(seg->tr_urb), 0,

		sizeof(*seg) - sizeof(seg->tr_urb));

}



/*
@@ -179,7 +179,7 @@ static void wa_xfer_destroy(struct kref *_xfer) 
		unsigned cnt;

		for (cnt = 0; cnt < xfer->segs; cnt++) {

			usb_free_urb(xfer->seg[cnt]->dto_urb);

			usb_free_urb(&xfer->seg[cnt]->urb);

			usb_free_urb(&xfer->seg[cnt]->tr_urb);

		}

	}

	kfree(xfer);
@@ -494,12 +494,12 @@ static void __wa_xfer_setup_hdr0(struct wa_xfer *xfer, 
/*

 * Callback for the OUT data phase of the segment request

 *

 * Check wa_seg_cb(); most comments also apply here because this

 * Check wa_seg_tr_cb(); most comments also apply here because this

 * function does almost the same thing and they work closely

 * together.

 *

 * If the seg request has failed but this DTO phase has succeeded,

 * wa_seg_cb() has already failed the segment and moved the

 * wa_seg_tr_cb() has already failed the segment and moved the

 * status to WA_SEG_ERROR, so this will go through 'case 0' and

 * effectively do nothing.

 */
@@ -576,7 +576,7 @@ static void wa_seg_dto_cb(struct urb *urb) 
 * as in that case, wa_seg_dto_cb will do it when the OUT data phase

 * finishes.

 */

static void wa_seg_cb(struct urb *urb)

static void wa_seg_tr_cb(struct urb *urb)

{

	struct wa_seg *seg = urb->context;

	struct wa_xfer *xfer = seg->xfer;
@@ -740,11 +740,11 @@ static int __wa_xfer_setup_segs(struct wa_xfer *xfer, size_t xfer_hdr_size) 
		wa_seg_init(seg);

		seg->xfer = xfer;

		seg->index = cnt;

		usb_fill_bulk_urb(&seg->urb, usb_dev,

		usb_fill_bulk_urb(&seg->tr_urb, usb_dev,

				  usb_sndbulkpipe(usb_dev,

						  dto_epd->bEndpointAddress),

				  &seg->xfer_hdr, xfer_hdr_size,

				  wa_seg_cb, seg);

				  wa_seg_tr_cb, seg);

		buf_itr_size = min(buf_size, xfer->seg_size);

		if (xfer->is_inbound == 0 && buf_size > 0) {

			/* outbound data. */
@@ -888,12 +888,14 @@ static int __wa_seg_submit(struct wa_rpipe *rpipe, struct wa_xfer *xfer, 
			   struct wa_seg *seg)

{

	int result;

	result = usb_submit_urb(&seg->urb, GFP_ATOMIC);

	/* submit the transfer request. */

	result = usb_submit_urb(&seg->tr_urb, GFP_ATOMIC);

	if (result < 0) {

		printk(KERN_ERR "xfer %p#%u: REQ submit failed: %d\n",

		       xfer, seg->index, result);

		goto error_seg_submit;

	}

	/* submit the out data if this is an out request. */

	if (seg->dto_urb) {

		result = usb_submit_urb(seg->dto_urb, GFP_ATOMIC);

		if (result < 0) {
@@ -907,7 +909,7 @@ static int __wa_seg_submit(struct wa_rpipe *rpipe, struct wa_xfer *xfer, 
	return 0;



error_dto_submit:

	usb_unlink_urb(&seg->urb);

	usb_unlink_urb(&seg->tr_urb);

error_seg_submit:

	seg->status = WA_SEG_ERROR;

	seg->result = result;
@@ -1313,7 +1315,7 @@ int wa_urb_dequeue(struct wahc *wa, struct urb *urb) 
			break;

		case WA_SEG_SUBMITTED:

			seg->status = WA_SEG_ABORTED;

			usb_unlink_urb(&seg->urb);

			usb_unlink_urb(&seg->tr_urb);

			if (xfer->is_inbound == 0)

				usb_unlink_urb(seg->dto_urb);

			xfer->segs_done++;