From: zhong jiang <zhongjiang@huawei.com> To: <jejb@linux.vnet.ibm.com>, <martin.petersen@oracle.com> Cc: <linux-scsi@vger.kernel.org>, <linux-kernel@vger.kernel.org> Subject: [PATCH v2] driver/scsi/pmcraid: Use pci_zalloc_consistent instead of pci_alloc_consistent+memset Date: Wed, 1 Aug 2018 15:16:45 +0800 [thread overview] Message-ID: <1533107805-7545-1-git-send-email-zhongjiang@huawei.com> (raw) Pci_zalloc_consistent is better than pci_alloc_consistent+memset, and it make the code concise Signed-off-by: zhong jiang <zhongjiang@huawei.com> --- drivers/scsi/pmcraid.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index 4e86994..8a6facc 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -4736,11 +4736,9 @@ static int pmcraid_allocate_host_rrqs(struct pmcraid_instance *pinstance) buffer_size = HRRQ_ENTRY_SIZE * PMCRAID_MAX_CMD; for (i = 0; i < pinstance->num_hrrq; i++) { - pinstance->hrrq_start[i] = - pci_alloc_consistent( - pinstance->pdev, - buffer_size, - &(pinstance->hrrq_start_bus_addr[i])); + pinstance->hrrq_start[i] = pci_zalloc_consistent(pinstance->pdev, + buffer_size, + &(pinstance->hrrq_start_bus_addr[i])); if (!pinstance->hrrq_start[i]) { pmcraid_err("pci_alloc failed for hrrq vector : %d\n", @@ -4749,7 +4747,6 @@ static int pmcraid_allocate_host_rrqs(struct pmcraid_instance *pinstance) return -ENOMEM; } - memset(pinstance->hrrq_start[i], 0, buffer_size); pinstance->hrrq_curr[i] = pinstance->hrrq_start[i]; pinstance->hrrq_end[i] = pinstance->hrrq_start[i] + PMCRAID_MAX_CMD - 1; -- 1.7.12.4
WARNING: multiple messages have this Message-ID (diff)
From: zhong jiang <zhongjiang@huawei.com> To: jejb@linux.vnet.ibm.com, martin.petersen@oracle.com Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] driver/scsi/pmcraid: Use pci_zalloc_consistent instead of pci_alloc_consistent+memset Date: Wed, 1 Aug 2018 15:16:45 +0800 [thread overview] Message-ID: <1533107805-7545-1-git-send-email-zhongjiang@huawei.com> (raw) Pci_zalloc_consistent is better than pci_alloc_consistent+memset, and it make the code concise Signed-off-by: zhong jiang <zhongjiang@huawei.com> --- drivers/scsi/pmcraid.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index 4e86994..8a6facc 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -4736,11 +4736,9 @@ static int pmcraid_allocate_host_rrqs(struct pmcraid_instance *pinstance) buffer_size = HRRQ_ENTRY_SIZE * PMCRAID_MAX_CMD; for (i = 0; i < pinstance->num_hrrq; i++) { - pinstance->hrrq_start[i] = - pci_alloc_consistent( - pinstance->pdev, - buffer_size, - &(pinstance->hrrq_start_bus_addr[i])); + pinstance->hrrq_start[i] = pci_zalloc_consistent(pinstance->pdev, + buffer_size, + &(pinstance->hrrq_start_bus_addr[i])); if (!pinstance->hrrq_start[i]) { pmcraid_err("pci_alloc failed for hrrq vector : %d\n", @@ -4749,7 +4747,6 @@ static int pmcraid_allocate_host_rrqs(struct pmcraid_instance *pinstance) return -ENOMEM; } - memset(pinstance->hrrq_start[i], 0, buffer_size); pinstance->hrrq_curr[i] = pinstance->hrrq_start[i]; pinstance->hrrq_end[i] = pinstance->hrrq_start[i] + PMCRAID_MAX_CMD - 1; -- 1.7.12.4
next reply other threads:[~2018-08-01 7:28 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-08-01 7:16 zhong jiang [this message] 2018-08-01 7:16 ` [PATCH v2] driver/scsi/pmcraid: Use pci_zalloc_consistent instead of pci_alloc_consistent+memset zhong jiang 2018-08-01 8:27 ` John Garry 2018-08-01 8:27 ` John Garry 2018-08-01 9:14 ` zhong jiang 2018-08-01 9:14 ` zhong jiang
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