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scsi: qla2xxx: Change a stack variable into a static const variable

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Make qla2x00_get_host_fabric_name() slightly faster by changing a stack
array into a static array. Declare that array const now that the
wwn_to_u64() argument pointer has been declared const.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Cc: Giridhar Malavali <gmalavali@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2019-04-04 12:44:39 -07:00 committed by Martin K. Petersen
parent 5585cbddce
commit c02ee1e5a9
1 changed files with 3 additions and 2 deletions
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5
drivers/scsi/qla2xxx/qla_attr.c
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@ -2723,8 +2723,9 @@ static void
qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
0xFF, 0xFF, 0xFF, 0xFF};
static const uint8_t node_name[WWN_SIZE] = {
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
u64 fabric_name = wwn_to_u64(node_name);
if (vha->device_flags & SWITCH_FOUND)