diff mbox series

scsi: snic: remove unused xfer_len variable

Message ID 20230328001647.1778448-1-trix@redhat.com (mailing list archive)
State Accepted
Headers show
Series scsi: snic: remove unused xfer_len variable | expand

Commit Message

Tom Rix March 28, 2023, 12:16 a.m. UTC
clang with W=1 reports
drivers/scsi/snic/snic_scsi.c:490:6: error: variable
  'xfer_len' set but not used [-Werror,-Wunused-but-set-variable]
        u64 xfer_len = 0;
            ^
This variable is not used so remove it.

Signed-off-by: Tom Rix <trix@redhat.com>
---
 drivers/scsi/snic/snic_scsi.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

Comments

Martin K. Petersen April 3, 2023, 1:47 a.m. UTC | #1
Tom,

> clang with W=1 reports
> drivers/scsi/snic/snic_scsi.c:490:6: error: variable
>   'xfer_len' set but not used [-Werror,-Wunused-but-set-variable]
>         u64 xfer_len = 0;
>             ^
> This variable is not used so remove it.

Applied to 6.4/scsi-staging, thanks!
Martin K. Petersen April 12, 2023, 2:04 a.m. UTC | #2
On Mon, 27 Mar 2023 20:16:47 -0400, Tom Rix wrote:

> clang with W=1 reports
> drivers/scsi/snic/snic_scsi.c:490:6: error: variable
>   'xfer_len' set but not used [-Werror,-Wunused-but-set-variable]
>         u64 xfer_len = 0;
>             ^
> This variable is not used so remove it.
> 
> [...]

Applied to 6.4/scsi-queue, thanks!

[1/1] scsi: snic: remove unused xfer_len variable
      https://git.kernel.org/mkp/scsi/c/4e0966a48291
diff mbox series

Patch

diff --git a/drivers/scsi/snic/snic_scsi.c b/drivers/scsi/snic/snic_scsi.c
index 961af6fc21bc..c50ede326cc4 100644
--- a/drivers/scsi/snic/snic_scsi.c
+++ b/drivers/scsi/snic/snic_scsi.c
@@ -487,7 +487,6 @@  snic_process_icmnd_cmpl_status(struct snic *snic,
 			       struct scsi_cmnd *sc)
 {
 	u8 scsi_stat = icmnd_cmpl->scsi_status;
-	u64 xfer_len = 0;
 	int ret = 0;
 
 	/* Mark the IO as complete */
@@ -496,15 +495,11 @@  snic_process_icmnd_cmpl_status(struct snic *snic,
 	if (likely(cmpl_stat == SNIC_STAT_IO_SUCCESS)) {
 		sc->result = (DID_OK << 16) | scsi_stat;
 
-		xfer_len = scsi_bufflen(sc);
-
 		/* Update SCSI Cmd with resid value */
 		scsi_set_resid(sc, le32_to_cpu(icmnd_cmpl->resid));
 
-		if (icmnd_cmpl->flags & SNIC_ICMND_CMPL_UNDR_RUN) {
-			xfer_len -= le32_to_cpu(icmnd_cmpl->resid);
+		if (icmnd_cmpl->flags & SNIC_ICMND_CMPL_UNDR_RUN)
 			atomic64_inc(&snic->s_stats.misc.io_under_run);
-		}
 
 		if (icmnd_cmpl->scsi_status == SAM_STAT_TASK_SET_FULL)
 			atomic64_inc(&snic->s_stats.misc.qfull);