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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: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
K. Y. Srinivasan 2011-08-25 09:48:58 -07:00 committed by Greg Kroah-Hartman
parent 176fb9e3f1
commit d2598f017f
4 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/staging/hv/blkvsc_drv.c
View File

@ -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);

2
drivers/staging/hv/netvsc.c
View File

@ -565,7 +565,7 @@ retry_send_cmplt:
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"

6
drivers/staging/hv/ring_buffer.c
View File

@ -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 =

2
drivers/staging/hv/storvsc_drv.c
View File

@ -578,7 +578,7 @@ retry_request:
/* 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) {