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>
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@ -2224,9 +2224,9 @@ static int megasas_get_ld_vf_affiliation_111(struct megasas_instance *instance,
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sizeof(struct MR_LD_VF_AFFILIATION_111));
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else {
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new_affiliation_111 =
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pci_alloc_consistent(instance->pdev,
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sizeof(struct MR_LD_VF_AFFILIATION_111),
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&new_affiliation_111_h);
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pci_zalloc_consistent(instance->pdev,
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sizeof(struct MR_LD_VF_AFFILIATION_111),
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&new_affiliation_111_h);
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if (!new_affiliation_111) {
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dev_printk(KERN_DEBUG, &instance->pdev->dev, "SR-IOV: Couldn't allocate "
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"memory for new affiliation for scsi%d\n",
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@ -2234,8 +2234,6 @@ static int megasas_get_ld_vf_affiliation_111(struct megasas_instance *instance,
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megasas_return_cmd(instance, cmd);
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return -ENOMEM;
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}
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memset(new_affiliation_111, 0,
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sizeof(struct MR_LD_VF_AFFILIATION_111));
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}
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memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
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@ -2333,10 +2331,10 @@ static int megasas_get_ld_vf_affiliation_12(struct megasas_instance *instance,
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sizeof(struct MR_LD_VF_AFFILIATION));
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else {
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new_affiliation =
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pci_alloc_consistent(instance->pdev,
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(MAX_LOGICAL_DRIVES + 1) *
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sizeof(struct MR_LD_VF_AFFILIATION),
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&new_affiliation_h);
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pci_zalloc_consistent(instance->pdev,
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(MAX_LOGICAL_DRIVES + 1) *
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sizeof(struct MR_LD_VF_AFFILIATION),
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&new_affiliation_h);
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if (!new_affiliation) {
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dev_printk(KERN_DEBUG, &instance->pdev->dev, "SR-IOV: Couldn't allocate "
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"memory for new affiliation for scsi%d\n",
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@ -2344,8 +2342,6 @@ static int megasas_get_ld_vf_affiliation_12(struct megasas_instance *instance,
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megasas_return_cmd(instance, cmd);
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return -ENOMEM;
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}
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memset(new_affiliation, 0, (MAX_LOGICAL_DRIVES + 1) *
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sizeof(struct MR_LD_VF_AFFILIATION));
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}
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memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
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@ -5636,16 +5632,15 @@ megasas_get_seq_num(struct megasas_instance *instance,
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}
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dcmd = &cmd->frame->dcmd;
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el_info = pci_alloc_consistent(instance->pdev,
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sizeof(struct megasas_evt_log_info),
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&el_info_h);
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el_info = pci_zalloc_consistent(instance->pdev,
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sizeof(struct megasas_evt_log_info),
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&el_info_h);
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if (!el_info) {
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megasas_return_cmd(instance, cmd);
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return -ENOMEM;
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}
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memset(el_info, 0, sizeof(*el_info));
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memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
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dcmd->cmd = MFI_CMD_DCMD;
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@ -684,15 +684,14 @@ megasas_alloc_rdpq_fusion(struct megasas_instance *instance)
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array_size = sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) *
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MAX_MSIX_QUEUES_FUSION;
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fusion->rdpq_virt = pci_alloc_consistent(instance->pdev, array_size,
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&fusion->rdpq_phys);
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fusion->rdpq_virt = pci_zalloc_consistent(instance->pdev, array_size,
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&fusion->rdpq_phys);
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if (!fusion->rdpq_virt) {
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dev_err(&instance->pdev->dev,
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"Failed from %s %d\n", __func__, __LINE__);
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return -ENOMEM;
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}
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memset(fusion->rdpq_virt, 0, array_size);
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msix_count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
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fusion->reply_frames_desc_pool = dma_pool_create("mr_rdpq",
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