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scsi: qla2xxx: Make qla82xx_flash_wait_write_finish() easier to read

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Return early instead of having a single return statement at the end of this
function. This patch fixes the following sparse warning:

qla_nx.c:1018: qla82xx_flash_wait_write_finish() error: uninitialized symbol 'val'.

Link: https://lore.kernel.org/r/20200629225454.22863-4-bvanassche@acm.org
Cc: Nilesh Javali <njavali@marvell.com>
Cc: Quinn Tran <qutran@marvell.com>
Cc: Himanshu Madhani <himanshu.madhani@oracle.com>
Cc: Martin Wilck <mwilck@suse.com>
Cc: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2020-06-29 15:54:48 -07:00 committed by Martin K. Petersen
parent f1e12bee55
commit 2f91a0a03c
1 changed files with 7 additions and 12 deletions
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19
drivers/scsi/qla2xxx/qla_nx.c
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@ -966,26 +966,21 @@ qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val)
static int
qla82xx_flash_wait_write_finish(struct qla_hw_data *ha)
{
long timeout = 0;
uint32_t done = 1 ;
uint32_t val;
int ret = 0;
int i, ret;
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
while ((done != 0) && (ret == 0)) {
for (i = 0; i < 50000; i++) {
ret = qla82xx_read_status_reg(ha, &val);
done = val & 1;
timeout++;
if (ret < 0 || (val & 1) == 0)
return ret;
udelay(10);
cond_resched();
if (timeout >= 50000) {
ql_log(ql_log_warn, vha, 0xb00d,
"Timeout reached waiting for write finish.\n");
return -1;
}
}
return ret;
ql_log(ql_log_warn, vha, 0xb00d,
"Timeout reached waiting for write finish.\n");
return -1;
}
static int