From: Chuhong Yuan <hslester96@gmail.com> To: unlisted-recipients:; (no To-header on input) Cc: qla2xxx-upstream@qlogic.com, "James E . J . Bottomley" <jejb@linux.ibm.com>, "Martin K . Petersen" <martin.petersen@oracle.com>, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Chuhong Yuan <hslester96@gmail.com> Subject: [PATCH 1/3] scsi: qla2xxx: Replace vmalloc + memset with vzalloc Date: Thu, 18 Jul 2019 15:45:18 +0800 [thread overview] Message-ID: <20190718074518.16273-1-hslester96@gmail.com> (raw) 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> --- drivers/scsi/qla2xxx/qla_attr.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 8d560c562e9c..2b92d4659934 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -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) { -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Chuhong Yuan <hslester96@gmail.com> Cc: qla2xxx-upstream@qlogic.com, "James E . J . Bottomley" <jejb@linux.ibm.com>, "Martin K . Petersen" <martin.petersen@oracle.com>, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Chuhong Yuan <hslester96@gmail.com> Subject: [PATCH 1/3] scsi: qla2xxx: Replace vmalloc + memset with vzalloc Date: Thu, 18 Jul 2019 15:45:18 +0800 [thread overview] Message-ID: <20190718074518.16273-1-hslester96@gmail.com> (raw) 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> --- drivers/scsi/qla2xxx/qla_attr.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 8d560c562e9c..2b92d4659934 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -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) { -- 2.20.1
next reply other threads:[~2019-07-18 7:45 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-07-18 7:45 Chuhong Yuan [this message] 2019-07-18 7:45 ` [PATCH 1/3] scsi: qla2xxx: Replace vmalloc + memset with vzalloc Chuhong Yuan 2019-07-30 16:21 ` Martin K. Petersen
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