[PATCH -next 23/26] qla4xxx: Use dma_zalloc_coherent
From: Joe Perches
Date: Sun Jun 15 2014 - 16:39:54 EST
Use the zeroing function instead of dma_alloc_coherent & memset(,0,)
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
drivers/scsi/qla4xxx/ql4_init.c | 5 ++---
drivers/scsi/qla4xxx/ql4_mbx.c | 21 +++++++++------------
drivers/scsi/qla4xxx/ql4_nx.c | 5 ++---
drivers/scsi/qla4xxx/ql4_os.c | 12 +++++-------
4 files changed, 18 insertions(+), 25 deletions(-)
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 6f12f85..9fa5e13 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -153,15 +153,14 @@ int qla4xxx_get_sys_info(struct scsi_qla_host *ha)
dma_addr_t sys_info_dma;
int status = QLA_ERROR;
- sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info),
- &sys_info_dma, GFP_KERNEL);
+ sys_info = dma_zalloc_coherent(&ha->pdev->dev, sizeof(*sys_info),
+ &sys_info_dma, GFP_KERNEL);
if (sys_info == NULL) {
DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
ha->host_no, __func__));
goto exit_get_sys_info_no_free;
}
- memset(sys_info, 0, sizeof(*sys_info));
/* Get flash sys info */
if (qla4xxx_get_flash(ha, sys_info_dma, FLASH_OFFSET_SYS_INFO,
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 0a3312c..f8fd4ca 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -625,15 +625,14 @@ int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
uint32_t mbox_sts[MBOX_REG_COUNT];
int status = QLA_ERROR;
- init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
- sizeof(struct addr_ctrl_blk),
- &init_fw_cb_dma, GFP_KERNEL);
+ init_fw_cb = dma_zalloc_coherent(&ha->pdev->dev,
+ sizeof(struct addr_ctrl_blk),
+ &init_fw_cb_dma, GFP_KERNEL);
if (init_fw_cb == NULL) {
DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n",
ha->host_no, __func__));
goto exit_init_fw_cb_no_free;
}
- memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
/* Get Initialize Firmware Control Block. */
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
@@ -710,9 +709,9 @@ int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
- init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
- sizeof(struct addr_ctrl_blk),
- &init_fw_cb_dma, GFP_KERNEL);
+ init_fw_cb = dma_zalloc_coherent(&ha->pdev->dev,
+ sizeof(struct addr_ctrl_blk),
+ &init_fw_cb_dma, GFP_KERNEL);
if (init_fw_cb == NULL) {
printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no,
__func__);
@@ -720,7 +719,6 @@ int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)
}
/* Get Initialize Firmware Control Block. */
- memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
QLA_SUCCESS) {
DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
@@ -1342,16 +1340,15 @@ int qla4xxx_about_firmware(struct scsi_qla_host *ha)
uint32_t mbox_sts[MBOX_REG_COUNT];
int status = QLA_ERROR;
- about_fw = dma_alloc_coherent(&ha->pdev->dev,
- sizeof(struct about_fw_info),
- &about_fw_dma, GFP_KERNEL);
+ about_fw = dma_zalloc_coherent(&ha->pdev->dev,
+ sizeof(struct about_fw_info),
+ &about_fw_dma, GFP_KERNEL);
if (!about_fw) {
DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Unable to alloc memory "
"for about_fw\n", __func__));
return status;
}
- memset(about_fw, 0, sizeof(struct about_fw_info));
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c
index 9dbdb4b..bd9212a 100644
--- a/drivers/scsi/qla4xxx/ql4_nx.c
+++ b/drivers/scsi/qla4xxx/ql4_nx.c
@@ -4050,15 +4050,14 @@ int qla4_8xxx_get_sys_info(struct scsi_qla_host *ha)
dma_addr_t sys_info_dma;
int status = QLA_ERROR;
- sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info),
- &sys_info_dma, GFP_KERNEL);
+ sys_info = dma_zalloc_coherent(&ha->pdev->dev, sizeof(*sys_info),
+ &sys_info_dma, GFP_KERNEL);
if (sys_info == NULL) {
DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
ha->host_no, __func__));
return status;
}
- memset(sys_info, 0, sizeof(*sys_info));
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 3202063..e0713e0 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -2693,16 +2693,15 @@ qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len)
uint32_t rem = len;
struct nlattr *attr;
- init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
- sizeof(struct addr_ctrl_blk),
- &init_fw_cb_dma, GFP_KERNEL);
+ init_fw_cb = dma_zalloc_coherent(&ha->pdev->dev,
+ sizeof(struct addr_ctrl_blk),
+ &init_fw_cb_dma, GFP_KERNEL);
if (!init_fw_cb) {
ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n",
__func__);
return -ENOMEM;
}
- memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
@@ -4201,15 +4200,14 @@ static int qla4xxx_mem_alloc(struct scsi_qla_host *ha)
sizeof(struct shadow_regs) +
MEM_ALIGN_VALUE +
(PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
- ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len,
- &ha->queues_dma, GFP_KERNEL);
+ ha->queues = dma_zalloc_coherent(&ha->pdev->dev, ha->queues_len,
+ &ha->queues_dma, GFP_KERNEL);
if (ha->queues == NULL) {
ql4_printk(KERN_WARNING, ha,
"Memory Allocation failed - queues.\n");
goto mem_alloc_error_exit;
}
- memset(ha->queues, 0, ha->queues_len);
/*
* As per RISC alignment requirements -- the bus-address must be a
--
1.8.1.2.459.gbcd45b4.dirty
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