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authorSumit Saxena <sumit.saxena@avagotech.com>2016-01-28 21:04:29 +0530
committerMartin K. Petersen <martin.petersen@oracle.com>2016-02-23 21:27:02 -0500
commitf9a9dee6a1fd8570884a0ab6f19c6b5cca05bd49 (patch)
treefa75811274824f703dc1a790603f39d026f05562 /drivers/scsi/megaraid
parent179ac14291a0e1cf8c2b2dfedce7c5af66696cc9 (diff)
downloadlinux-f9a9dee6a1fd8570884a0ab6f19c6b5cca05bd49.tar.bz2
megaraid_sas: Code optimization build_and_issue_cmd return-type
build_and_issue_cmd should return SCSI_MLQUEUE_HOST_BUSY for a few error cases instead of returning 1. Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/megaraid')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c9
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.c4
2 files changed, 4 insertions, 9 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 8df58c2b08ec..edf8911bdb12 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -1636,7 +1636,7 @@ megasas_build_and_issue_cmd(struct megasas_instance *instance,
return 0;
out_return_cmd:
megasas_return_cmd(instance, cmd);
- return 1;
+ return SCSI_MLQUEUE_HOST_BUSY;
}
@@ -1728,12 +1728,7 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
break;
}
- if (instance->instancet->build_and_issue_cmd(instance, scmd)) {
- dev_err(&instance->pdev->dev, "Err returned from build_and_issue_cmd\n");
- return SCSI_MLQUEUE_HOST_BUSY;
- }
-
- return 0;
+ return instance->instancet->build_and_issue_cmd(instance, scmd);
out_done:
scmd->scsi_done(scmd);
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 1351cae6acff..f5538303a9bc 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -2125,7 +2125,7 @@ megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance,
req_desc = megasas_get_request_descriptor(instance, index-1);
if (!req_desc)
- return 1;
+ return SCSI_MLQUEUE_HOST_BUSY;
req_desc->Words = 0;
cmd->request_desc = req_desc;
@@ -2134,7 +2134,7 @@ megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance,
megasas_return_cmd_fusion(instance, cmd);
dev_err(&instance->pdev->dev, "Error building command\n");
cmd->request_desc = NULL;
- return 1;
+ return SCSI_MLQUEUE_HOST_BUSY;
}
req_desc = cmd->request_desc;