Commit d2598f01 authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
Browse files

Staging: hv: vmbus: Cleanup error values in ringbuffer.c 



Use standard Linux errno values in ringbuffer.c and do the associated
cleanup in the clients.

Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 176fb9e3

drivers/staging/hv/blkvsc_drv.c

+1 −1
Original line number Diff line number Diff line
@@ -725,7 +725,7 @@ static int blkvsc_do_request(struct block_device_context *blkdev, 
		} else {

			ret = blkvsc_submit_request(blkvsc_req,

						    blkvsc_request_completion);

			if (ret == -1) {

			if (ret == -EAGAIN) {

				pending = 1;

				list_add_tail(&blkvsc_req->pend_entry,

					      &blkdev->pending_list);

drivers/staging/hv/netvsc.c

+1 −1
Original line number Diff line number Diff line
@@ -565,7 +565,7 @@ static void netvsc_send_recv_completion(struct hv_device *device, 
	if (ret == 0) {

		/* success */

		/* no-op */

	} else if (ret == -1) {

	} else if (ret == -EAGAIN) {

		/* no more room...wait a bit and attempt to retry 3 times */

		retries++;

		dev_err(&device->device, "unable to send receive completion pkt"

drivers/staging/hv/ring_buffer.c

+3 −3
Original line number Diff line number Diff line
@@ -390,7 +390,7 @@ int hv_ringbuffer_write(struct hv_ring_buffer_info *outring_info, 
	/* is empty since the read index == write index */

	if (bytes_avail_towrite <= totalbytes_towrite) {

		spin_unlock_irqrestore(&outring_info->ring_lock, flags);

		return -1;

		return -EAGAIN;

	}



	/* Write to the ring buffer */
@@ -450,7 +450,7 @@ int hv_ringbuffer_peek(struct hv_ring_buffer_info *Inring_info, 


		spin_unlock_irqrestore(&Inring_info->ring_lock, flags);



		return -1;

		return -EAGAIN;

	}



	/* Convert to byte offset */
@@ -496,7 +496,7 @@ int hv_ringbuffer_read(struct hv_ring_buffer_info *inring_info, void *buffer, 
	if (bytes_avail_toread < buflen) {

		spin_unlock_irqrestore(&inring_info->ring_lock, flags);



		return -1;

		return -EAGAIN;

	}



	next_read_location =

drivers/staging/hv/storvsc_drv.c

+1 −1
Original line number Diff line number Diff line
@@ -578,7 +578,7 @@ static int storvsc_queuecommand_lck(struct scsi_cmnd *scmnd, 
	/* Invokes the vsc to start an IO */

	ret = storvsc_do_io(dev, &cmd_request->request);



	if (ret == -1) {

	if (ret == -EAGAIN) {

		/* no more space */



		if (cmd_request->bounce_sgl_count) {