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path: root/drivers/scsi/device_handler/scsi_dh_hp_sw.c
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Diffstat (limited to 'drivers/scsi/device_handler/scsi_dh_hp_sw.c')
-rw-r--r--drivers/scsi/device_handler/scsi_dh_hp_sw.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_hp_sw.c b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
index 9aec4ca64e5..f7da7530875 100644
--- a/drivers/scsi/device_handler/scsi_dh_hp_sw.c
+++ b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
@@ -107,6 +107,7 @@ static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h)
struct request *req;
int ret;
+retry:
req = blk_get_request(sdev->request_queue, WRITE, GFP_NOIO);
if (!req)
return SCSI_DH_RES_TEMP_UNAVAIL;
@@ -121,7 +122,6 @@ static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h)
memset(req->sense, 0, SCSI_SENSE_BUFFERSIZE);
req->sense_len = 0;
-retry:
ret = blk_execute_rq(req->q, NULL, req, 1);
if (ret == -EIO) {
if (req->sense_len > 0) {
@@ -136,8 +136,10 @@ retry:
h->path_state = HP_SW_PATH_ACTIVE;
ret = SCSI_DH_OK;
}
- if (ret == SCSI_DH_IMM_RETRY)
+ if (ret == SCSI_DH_IMM_RETRY) {
+ blk_put_request(req);
goto retry;
+ }
if (ret == SCSI_DH_DEV_OFFLINED) {
h->path_state = HP_SW_PATH_PASSIVE;
ret = SCSI_DH_OK;
@@ -200,6 +202,7 @@ static int hp_sw_start_stop(struct scsi_device *sdev, struct hp_sw_dh_data *h)
struct request *req;
int ret, retry;
+retry:
req = blk_get_request(sdev->request_queue, WRITE, GFP_NOIO);
if (!req)
return SCSI_DH_RES_TEMP_UNAVAIL;
@@ -216,7 +219,6 @@ static int hp_sw_start_stop(struct scsi_device *sdev, struct hp_sw_dh_data *h)
req->sense_len = 0;
retry = h->retries;
-retry:
ret = blk_execute_rq(req->q, NULL, req, 1);
if (ret == -EIO) {
if (req->sense_len > 0) {
@@ -231,8 +233,10 @@ retry:
ret = SCSI_DH_OK;
if (ret == SCSI_DH_RETRY) {
- if (--retry)
+ if (--retry) {
+ blk_put_request(req);
goto retry;
+ }
ret = SCSI_DH_IO;
}