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scsi: qla2xxx: Replace vmalloc + memset with vzalloc 

Use vzalloc instead of using vmalloc to allocate memory and then zeroing it
with memset.  This simplifies the code.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Chuhong Yuan 2019-07-18 15:45:18 +08:00 committed by Martin K. Petersen
parent 22d5aa3a45
commit 56cc8fae5f
1 changed files with 2 additions and 4 deletions
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6
drivers/scsi/qla2xxx/qla_attr.c
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@ -382,7 +382,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
ha->optrom_region_size = size;
ha->optrom_state = QLA_SREADING;
ha->optrom_buffer = vmalloc(ha->optrom_region_size);
ha->optrom_buffer = vzalloc(ha->optrom_region_size);
if (ha->optrom_buffer == NULL) {
ql_log(ql_log_warn, vha, 0x7062,
"Unable to allocate memory for optrom retrieval "
@ -404,7 +404,6 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
"Reading flash region -- 0x%x/0x%x.\n",
ha->optrom_region_start, ha->optrom_region_size);
memset(ha->optrom_buffer, 0, ha->optrom_region_size);
ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
ha->optrom_region_start, ha->optrom_region_size);
break;
@ -457,7 +456,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
ha->optrom_region_size = size;
ha->optrom_state = QLA_SWRITING;
ha->optrom_buffer = vmalloc(ha->optrom_region_size);
ha->optrom_buffer = vzalloc(ha->optrom_region_size);
if (ha->optrom_buffer == NULL) {
ql_log(ql_log_warn, vha, 0x7066,
"Unable to allocate memory for optrom update "
@ -472,7 +471,6 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
"Staging flash region write -- 0x%x/0x%x.\n",
ha->optrom_region_start, ha->optrom_region_size);
memset(ha->optrom_buffer, 0, ha->optrom_region_size);
break;
case 3:
if (ha->optrom_state != QLA_SWRITING) {