[PATCH v3 3/7] ufs: ufs_bsg: Cleanup ufs_bsg_request

Bean Huo
2022-12-01T14:05:20Z

Move sg_copy_from_buffer() below its associated case statement.

Signed-off-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
---
drivers/ufs/core/ufs_bsg.c | 27 ++++++++-------------------
1 file changed, 8 insertions(+), 19 deletions(-)

diff --git a/drivers/ufs/core/ufs_bsg.c b/drivers/ufs/core/ufs_bsg.c
index 9ac8204f1ee6..850a0d798f63 100644
--- a/drivers/ufs/core/ufs_bsg.c
+++ b/drivers/ufs/core/ufs_bsg.c
@@ -90,11 +90,8 @@ static int ufs_bsg_request(struct bsg_job *job)
desc_op = bsg_request->upiu_req.qr.opcode;
ret = ufs_bsg_alloc_desc_buffer(hba, job, &desc_buff,
&desc_len, desc_op);
- if (ret) {
- ufshcd_rpm_put_sync(hba);
+ if (ret)
goto out;
- }
-
fallthrough;
case UPIU_TRANSACTION_NOP_OUT:
case UPIU_TRANSACTION_TASK_REQ:
@@ -102,9 +99,12 @@ static int ufs_bsg_request(struct bsg_job *job)
&bsg_reply->upiu_rsp, msgcode,
desc_buff, &desc_len, desc_op);
if (ret)
- dev_err(hba->dev,
- "exe raw upiu: error code %d\n", ret);
-
+ dev_err(hba->dev, "exe raw upiu: error code %d\n", ret);
+ else if (desc_op == UPIU_QUERY_OPCODE_READ_DESC && desc_len)
+ bsg_reply->reply_payload_rcv_len =
+ sg_copy_from_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt,
+ desc_buff, desc_len);
break;
case UPIU_TRANSACTION_UIC_CMD:
memcpy(&uc, &bsg_request->upiu_req.uc, UIC_CMD_SIZE);
@@ -123,20 +123,9 @@ static int ufs_bsg_request(struct bsg_job *job)
break;
}

+out:
ufshcd_rpm_put_sync(hba);
-
- if (!desc_buff)
- goto out;
-
- if (desc_op == UPIU_QUERY_OPCODE_READ_DESC && desc_len)
- bsg_reply->reply_payload_rcv_len =
- sg_copy_from_buffer(job->request_payload.sg_list,
- job->request_payload.sg_cnt,
- desc_buff, desc_len);
-
kfree(desc_buff);
-
-out:
bsg_reply->result = ret;
job->reply_len = sizeof(struct ufs_bsg_reply);
/* complete the job here only if no error */
--
2.25.1