From: Bart Van Assche <bvanass...@acm.org> [ Upstream commit e4d2add7fd5bc64ee3e388eabe6b9e081cb42e11 ]
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 <bean...@micron.com> Cc: Can Guo <c...@codeaurora.org> Cc: Avri Altman <avri.alt...@wdc.com> Cc: Stanley Chu <stanley....@mediatek.com> Cc: Tomas Winkler <tomas.wink...@intel.com> Link: https://lore.kernel.org/r/20191224220248.30138-3-bvanass...@acm.org Reviewed-by: Stanley Chu <stanley....@mediatek.com> Reviewed-by: Can Guo <c...@codeaurora.org> Reviewed-by: Alim Akhtar <alim.akh...@samsung.com> Signed-off-by: Bart Van Assche <bvanass...@acm.org> Signed-off-by: Martin K. Petersen <martin.peter...@oracle.com> Signed-off-by: Sasha Levin <sas...@kernel.org> --- drivers/scsi/ufs/ufshcd.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 5e502e1605549..020a93a40a982 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -334,27 +334,27 @@ 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); } -- 2.25.1
