| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 112/293] scsi: NCR5380: Reduce goto statements in NCR5380_select() | Date | Mon, 29 Jul 2019 21:20:03 +0200 |
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From: Finn Thain <fthain@telegraphics.com.au>
commit 6a162836997c10bbefb7c7ca772201cc45c0e4a6 upstream.
Replace a 'goto' statement with a simple 'return' where possible. This improves readability. No functional change.
Tested-by: Michael Schmitz <schmitzmic@gmail.com> Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/scsi/NCR5380.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-)
--- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -984,7 +984,7 @@ static struct scsi_cmnd *NCR5380_select( if (!hostdata->selecting) { /* Command was aborted */ NCR5380_write(MODE_REG, MR_BASE); - goto out; + return NULL; } if (err < 0) { NCR5380_write(MODE_REG, MR_BASE); @@ -1033,7 +1033,7 @@ static struct scsi_cmnd *NCR5380_select( if (!hostdata->selecting) { NCR5380_write(MODE_REG, MR_BASE); NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE); - goto out; + return NULL; } dsprintk(NDEBUG_ARBITRATION, instance, "won arbitration\n"); @@ -1116,13 +1116,16 @@ static struct scsi_cmnd *NCR5380_select( spin_lock_irq(&hostdata->lock); NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE); NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask); + /* Can't touch cmd if it has been reclaimed by the scsi ML */ - if (hostdata->selecting) { - cmd->result = DID_BAD_TARGET << 16; - complete_cmd(instance, cmd); - dsprintk(NDEBUG_SELECTION, instance, "target did not respond within 250ms\n"); - cmd = NULL; - } + if (!hostdata->selecting) + return NULL; + + cmd->result = DID_BAD_TARGET << 16; + complete_cmd(instance, cmd); + dsprintk(NDEBUG_SELECTION, instance, + "target did not respond within 250ms\n"); + cmd = NULL; goto out; } @@ -1155,7 +1158,7 @@ static struct scsi_cmnd *NCR5380_select( } if (!hostdata->selecting) { do_abort(instance); - goto out; + return NULL; } dsprintk(NDEBUG_SELECTION, instance, "target %d selected, going into MESSAGE OUT phase.\n",
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