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Subject[PATCH 109/117] Staging: hv: storvsc: No need to copy from bounce buffer in case of a failure
Date
No need to copy from bounce buffer in case of a failure; cleanup the code
accordingly.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
---
drivers/staging/hv/storvsc_drv.c | 12 ++----------
1 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 8756cdf..ba27b51 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -1348,17 +1348,9 @@ retry_request:
if (ret == -EAGAIN) {
/* no more space */

- if (cmd_request->bounce_sgl_count) {
- /*
- * FIXME: We can optimize on writes by just skipping
- * this
- */
- copy_from_bounce_buffer(scsi_sglist(scmnd),
- cmd_request->bounce_sgl,
- scsi_sg_count(scmnd));
+ if (cmd_request->bounce_sgl_count)
destroy_bounce_buffer(cmd_request->bounce_sgl,
- cmd_request->bounce_sgl_count);
- }
+ cmd_request->bounce_sgl_count);

kmem_cache_free(host_dev->request_pool, cmd_request);

--
1.7.4.1


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