No need to copy from bounce buffer in case of a failure; cleanup the code
accordingly.

Signed-off-by: K. Y. Srinivasan <[email protected]>
Signed-off-by: Haiyang Zhang <[email protected]>
---
 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 22a1d75..d575bc9 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -1315,17 +1315,9 @@ 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

_______________________________________________
devel mailing list
[email protected]
http://driverdev.linuxdriverproject.org/mailman/listinfo/devel

Reply via email to