Commit 2f91a0a0 authored by Bart Van Assche's avatar Bart Van Assche Committed by Martin K. Petersen

scsi: qla2xxx: Make qla82xx_flash_wait_write_finish() easier to read

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: default avatarDaniel Wagner <dwagner@suse.de>
Reviewed-by: default avatarHimanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: default avatarBart Van Assche <bvanassche@acm.org>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent f1e12bee
...@@ -966,26 +966,21 @@ qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val) ...@@ -966,26 +966,21 @@ qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val)
static int static int
qla82xx_flash_wait_write_finish(struct qla_hw_data *ha) qla82xx_flash_wait_write_finish(struct qla_hw_data *ha)
{ {
long timeout = 0;
uint32_t done = 1 ;
uint32_t val; uint32_t val;
int ret = 0; int i, ret;
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); 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); ret = qla82xx_read_status_reg(ha, &val);
done = val & 1; if (ret < 0 || (val & 1) == 0)
timeout++; return ret;
udelay(10); udelay(10);
cond_resched(); 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 static int
......
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