diff options
| author | Bart Van Assche <bvanassche@acm.org> | 2019-12-24 14:02:44 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-01-02 21:57:44 -0500 |
| commit | e4d2add7fd5bc64ee3e388eabe6b9e081cb42e11 (patch) | |
| tree | 3ab1bc1aa07830f88a4d9d63b38084eafb3186fb /drivers/scsi | |
| parent | 68c9fcfd4a0eb0cf65e390ee834ba1ef777b835e (diff) | |
scsi: ufs: Make ufshcd_add_command_trace() easier to read
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>
Link: https://lore.kernel.org/r/20191224220248.30138-3-bvanassche@acm.org
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Can Guo <cang@codeaurora.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index a95e4750237d..6222e4111037 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -327,27 +327,27 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, u8 opcode = 0; u32 intr, doorbell; struct ufshcd_lrb *lrbp = &hba->lrb[tag]; + struct scsi_cmnd *cmd = lrbp->cmd; int transfer_len = -1; if (!trace_ufshcd_command_enabled()) { /* trace UPIU W/O tracing command */ - if (lrbp->cmd) + if (cmd) ufshcd_add_cmd_upiu_trace(hba, tag, str); return; } - if (lrbp->cmd) { /* data phase exists */ + if (cmd) { /* data phase exists */ /* trace UPIU also */ ufshcd_add_cmd_upiu_trace(hba, tag, str); - opcode = (u8)(*lrbp->cmd->cmnd); + opcode = cmd->cmnd[0]; if ((opcode == READ_10) || (opcode == WRITE_10)) { /* * Currently we only fully trace read(10) and write(10) * commands */ - if (lrbp->cmd->request && lrbp->cmd->request->bio) - lba = - lrbp->cmd->request->bio->bi_iter.bi_sector; + if (cmd->request && cmd->request->bio) + lba = cmd->request->bio->bi_iter.bi_sector; transfer_len = be32_to_cpu( lrbp->ucd_req_ptr->sc.exp_data_transfer_len); } |