From: Bart Van Assche <bvanassche@acm.org>
To: "Martin K . Petersen" <martin.petersen@oracle.com>,
"James E . J . Bottomley" <jejb@linux.vnet.ibm.com>
Cc: linux-scsi@vger.kernel.org, Bart Van Assche <bvanassche@acm.org>,
Bean Huo <beanhuo@micron.com>, Can Guo <cang@codeaurora.org>,
Avri Altman <avri.altman@wdc.com>,
Stanley Chu <stanley.chu@mediatek.com>,
Tomas Winkler <tomas.winkler@intel.com>
Subject: [PATCH 3/6] ufs: Make ufshcd_prepare_utp_scsi_cmd_upiu() easier to read
Date: Tue, 24 Dec 2019 14:02:45 -0800 [thread overview]
Message-ID: <20191224220248.30138-4-bvanassche@acm.org> (raw)
In-Reply-To: <20191224220248.30138-1-bvanassche@acm.org>
Since the lrbp->cmd expression occurs multiple times, introduce a new
local variable to hold that pointer. This patch does not change any
functionality.
Cc: Bean Huo <beanhuo@micron.com>
Cc: Can Guo <cang@codeaurora.org>
Cc: Avri Altman <avri.altman@wdc.com>
Cc: Stanley Chu <stanley.chu@mediatek.com>
Cc: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
drivers/scsi/ufs/ufshcd.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index acc84e964e8f..80b028ba39e9 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -2233,6 +2233,7 @@ static void ufshcd_prepare_req_desc_hdr(struct ufshcd_lrb *lrbp,
static
void ufshcd_prepare_utp_scsi_cmd_upiu(struct ufshcd_lrb *lrbp, u32 upiu_flags)
{
+ struct scsi_cmnd *cmd = lrbp->cmd;
struct utp_upiu_req *ucd_req_ptr = lrbp->ucd_req_ptr;
unsigned short cdb_len;
@@ -2246,12 +2247,11 @@ void ufshcd_prepare_utp_scsi_cmd_upiu(struct ufshcd_lrb *lrbp, u32 upiu_flags)
/* Total EHS length and Data segment length will be zero */
ucd_req_ptr->header.dword_2 = 0;
- ucd_req_ptr->sc.exp_data_transfer_len =
- cpu_to_be32(lrbp->cmd->sdb.length);
+ ucd_req_ptr->sc.exp_data_transfer_len = cpu_to_be32(cmd->sdb.length);
- cdb_len = min_t(unsigned short, lrbp->cmd->cmd_len, UFS_CDB_SIZE);
+ cdb_len = min_t(unsigned short, cmd->cmd_len, UFS_CDB_SIZE);
memset(ucd_req_ptr->sc.cdb, 0, UFS_CDB_SIZE);
- memcpy(ucd_req_ptr->sc.cdb, lrbp->cmd->cmnd, cdb_len);
+ memcpy(ucd_req_ptr->sc.cdb, cmd->cmnd, cdb_len);
memset(lrbp->ucd_rsp_ptr, 0, sizeof(struct utp_upiu_rsp));
}
next prev parent reply other threads:[~2019-12-24 22:03 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-24 22:02 [PATCH 0/6] Six UFS patches Bart Van Assche
2019-12-24 22:02 ` [PATCH 1/6] ufs: Fix indentation in ufshcd_query_attr_retry() Bart Van Assche
2019-12-25 7:16 ` Stanley Chu
2019-12-25 8:17 ` Can Guo
2019-12-27 1:13 ` Alim Akhtar
2019-12-24 22:02 ` [PATCH 2/6] ufs: Make ufshcd_add_command_trace() easier to read Bart Van Assche
2019-12-25 7:16 ` Stanley Chu
2019-12-25 8:17 ` Can Guo
2019-12-27 1:17 ` Alim Akhtar
2019-12-24 22:02 ` Bart Van Assche [this message]
2019-12-25 7:17 ` [PATCH 3/6] ufs: Make ufshcd_prepare_utp_scsi_cmd_upiu() " Stanley Chu
2019-12-25 8:18 ` Can Guo
2019-12-24 22:02 ` [PATCH 4/6] ufs: Fix a race condition in the tracing code Bart Van Assche
2019-12-25 10:59 ` Can Guo
2019-12-26 17:35 ` Bart Van Assche
2019-12-27 5:50 ` Can Guo
2019-12-27 1:21 ` Alim Akhtar
2019-12-24 22:02 ` [PATCH 5/6] ufs: Remove superfluous memory barriers Bart Van Assche
2019-12-25 10:31 ` Can Guo
2019-12-26 17:36 ` Bart Van Assche
2019-12-24 22:02 ` [PATCH 6/6] ufs: Remove the SCSI timeout handler Bart Van Assche
2019-12-25 11:02 ` Can Guo
2019-12-27 1:24 ` Alim Akhtar
2020-05-28 9:47 ` Can Guo
2020-05-28 16:12 ` Bart Van Assche
2020-05-29 1:39 ` Can Guo
2020-05-29 3:56 ` Bart Van Assche
2020-01-03 2:58 ` [PATCH 0/6] Six UFS patches Martin K. Petersen
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