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authorHimanshu Jha <himanshujha199640@gmail.com>2018-04-06 02:02:10 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2018-04-18 19:33:58 -0400
commit3c6c122cfcbc2264d8414d292ebe2803b7e20215 (patch)
tree7fda020858d1ba466e414f783d058a30b9a3a1f7 /drivers/scsi/megaraid/megaraid_sas_base.c
parentscsi: netvsc: Use the vmbus function to calculate ring buffer percentage (diff)
downloadlinux-dev-3c6c122cfcbc2264d8414d292ebe2803b7e20215.tar.xz
linux-dev-3c6c122cfcbc2264d8414d292ebe2803b7e20215.zip
scsi: megaraid_sas: Use zeroing memory allocator than allocator/memset
Use pci_zalloc_consistent for allocating zeroed memory and remove unnecessary memset function. Done using Coccinelle. Generated by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com> Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to '')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c25
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index b89c6e6c0589..026fad818b2a 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -2224,9 +2224,9 @@ static int megasas_get_ld_vf_affiliation_111(struct megasas_instance *instance,
sizeof(struct MR_LD_VF_AFFILIATION_111));
else {
new_affiliation_111 =
- pci_alloc_consistent(instance->pdev,
- sizeof(struct MR_LD_VF_AFFILIATION_111),
- &new_affiliation_111_h);
+ pci_zalloc_consistent(instance->pdev,
+ sizeof(struct MR_LD_VF_AFFILIATION_111),
+ &new_affiliation_111_h);
if (!new_affiliation_111) {
dev_printk(KERN_DEBUG, &instance->pdev->dev, "SR-IOV: Couldn't allocate "
"memory for new affiliation for scsi%d\n",
@@ -2234,8 +2234,6 @@ static int megasas_get_ld_vf_affiliation_111(struct megasas_instance *instance,
megasas_return_cmd(instance, cmd);
return -ENOMEM;
}
- memset(new_affiliation_111, 0,
- sizeof(struct MR_LD_VF_AFFILIATION_111));
}
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
@@ -2333,10 +2331,10 @@ static int megasas_get_ld_vf_affiliation_12(struct megasas_instance *instance,
sizeof(struct MR_LD_VF_AFFILIATION));
else {
new_affiliation =
- pci_alloc_consistent(instance->pdev,
- (MAX_LOGICAL_DRIVES + 1) *
- sizeof(struct MR_LD_VF_AFFILIATION),
- &new_affiliation_h);
+ pci_zalloc_consistent(instance->pdev,
+ (MAX_LOGICAL_DRIVES + 1) *
+ sizeof(struct MR_LD_VF_AFFILIATION),
+ &new_affiliation_h);
if (!new_affiliation) {
dev_printk(KERN_DEBUG, &instance->pdev->dev, "SR-IOV: Couldn't allocate "
"memory for new affiliation for scsi%d\n",
@@ -2344,8 +2342,6 @@ static int megasas_get_ld_vf_affiliation_12(struct megasas_instance *instance,
megasas_return_cmd(instance, cmd);
return -ENOMEM;
}
- memset(new_affiliation, 0, (MAX_LOGICAL_DRIVES + 1) *
- sizeof(struct MR_LD_VF_AFFILIATION));
}
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
@@ -5636,16 +5632,15 @@ megasas_get_seq_num(struct megasas_instance *instance,
}
dcmd = &cmd->frame->dcmd;
- el_info = pci_alloc_consistent(instance->pdev,
- sizeof(struct megasas_evt_log_info),
- &el_info_h);
+ el_info = pci_zalloc_consistent(instance->pdev,
+ sizeof(struct megasas_evt_log_info),
+ &el_info_h);
if (!el_info) {
megasas_return_cmd(instance, cmd);
return -ENOMEM;
}
- memset(el_info, 0, sizeof(*el_info));
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
dcmd->cmd = MFI_CMD_DCMD;