[PATCH 32/59] Staging: hv: vmbus: Cleanup error values in ringbuffer.c
From: "K. Y. Srinivasan" <kys@microsoft.com>
Date: 2011-08-25 16:37:40
Also in:
lkml
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
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> --- drivers/staging/hv/blkvsc_drv.c | 2 +- drivers/staging/hv/netvsc.c | 2 +- drivers/staging/hv/ring_buffer.c | 6 +++--- drivers/staging/hv/storvsc_drv.c | 2 +- 4 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 9b99387..d3f4f1d 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c@@ -726,7 +726,7 @@ 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);
diff --git a/drivers/staging/hv/netvsc.c b/drivers/staging/hv/netvsc.c
index cb02eed..d547ff6 100644
--- a/drivers/staging/hv/netvsc.c
+++ b/drivers/staging/hv/netvsc.c@@ -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"
diff --git a/drivers/staging/hv/ring_buffer.c b/drivers/staging/hv/ring_buffer.c
index 42f7672..9212699 100644
--- a/drivers/staging/hv/ring_buffer.c
+++ b/drivers/staging/hv/ring_buffer.c@@ -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 =
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 4dc6d2f..1e49879 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c@@ -580,7 +580,7 @@ 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) {
--
1.7.4.1