scsi: qla2xxx: Reduce the scope of three local variables in qla2xxx_queuecommand()

This patch makes it clear that the tag, hwq and qpair variables are only
used in the mq path.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 8f972e1..a5acd5e 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -845,9 +845,6 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
        struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
        srb_t *sp;
        int rval;
-       struct qla_qpair *qpair = NULL;
-       uint32_t tag;
-       uint16_t hwq;
 
        if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
            WARN_ON_ONCE(!rport)) {
@@ -856,6 +853,10 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
        }
 
        if (ha->mqenable) {
+               uint32_t tag;
+               uint16_t hwq;
+               struct qla_qpair *qpair = NULL;
+
                tag = blk_mq_unique_tag(cmd->request);
                hwq = blk_mq_unique_tag_to_hwq(tag);
                qpair = ha->queue_pair_map[hwq];