summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJitendra Bhivare <jitendra.bhivare@broadcom.com>2016-08-26 15:09:07 +0530
committerMartin K. Petersen <martin.petersen@oracle.com>2016-08-30 22:25:48 -0400
commitbf9b7554f46c4736d72e61f076a2d91a4303d2ea (patch)
tree1464d816b46191d8b102466b78474007901616db
parentdeeea8edc746c68d7aa2282322b14be701ec11ee (diff)
downloadop-kernel-dev-bf9b7554f46c4736d72e61f076a2d91a4303d2ea.zip
op-kernel-dev-bf9b7554f46c4736d72e61f076a2d91a4303d2ea.tar.gz
scsi: be2iscsi: Remove redundant iscsi_wrb desc memset
alloc_wrb_handle already does memset zero of iscsi_wrb descriptor so remove redundant memset in WRB submission paths. Add pwrb_handle NULL check before memsett'ing pwrb. Signed-off-by: Jitendra Bhivare <jitendra.bhivare@broadcom.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/scsi/be2iscsi/be_main.c5
-rw-r--r--drivers/scsi/be2iscsi/be_mgmt.c3
2 files changed, 3 insertions, 5 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index b30db87..6a6906f 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -967,7 +967,9 @@ beiscsi_get_wrb_handle(struct hwi_wrb_context *pwrb_context,
else
pwrb_context->alloc_index++;
spin_unlock_bh(&pwrb_context->wrb_lock);
- memset(pwrb_handle->pwrb, 0, sizeof(*pwrb_handle->pwrb));
+
+ if (pwrb_handle)
+ memset(pwrb_handle->pwrb, 0, sizeof(*pwrb_handle->pwrb));
return pwrb_handle;
}
@@ -4718,7 +4720,6 @@ static int beiscsi_mtask(struct iscsi_task *task)
cid = beiscsi_conn->beiscsi_conn_cid;
pwrb = io_task->pwrb_handle->pwrb;
- memset(pwrb, 0, sizeof(*pwrb));
if (is_chip_be2_be3r(phba)) {
AMAP_SET_BITS(struct amap_iscsi_wrb, cmdsn_itt, pwrb,
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index 3ac7b88..b9ff939 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -1350,7 +1350,6 @@ void beiscsi_offload_cxn_v0(struct beiscsi_offload_params *params,
{
struct iscsi_wrb *pwrb = pwrb_handle->pwrb;
- memset(pwrb, 0, sizeof(*pwrb));
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
max_send_data_segment_length, pwrb,
params->dw[offsetof(struct amap_beiscsi_offload_params,
@@ -1422,8 +1421,6 @@ void beiscsi_offload_cxn_v2(struct beiscsi_offload_params *params,
{
struct iscsi_wrb *pwrb = pwrb_handle->pwrb;
- memset(pwrb, 0, sizeof(*pwrb));
-
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
max_burst_length, pwrb, params->dw[offsetof
(struct amap_beiscsi_offload_params,
OpenPOWER on IntegriCloud