infiniband: use pci_zalloc_consistent

Remove the now unnecessary memset too.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Tom Tucker <tom@opengridcomputing.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Cc: Roland Dreier <roland@kernel.org>
Cc: Sean Hefty <sean.hefty@intel.com>
Cc: Hal Rosenstock <hal.rosenstock@gmail.com>
Cc: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/drivers/infiniband/hw/amso1100/c2.c b/drivers/infiniband/hw/amso1100/c2.c
index 00400c352c1a9ec33e7c291bcb997049686816c5..766a71ccefed20975fd9c6fc264f2ab69d071170 100644 (file)
--- a/drivers/infiniband/hw/amso1100/c2.c
+++ b/drivers/infiniband/hw/amso1100/c2.c
@@ -604,16 +604,14 @@ static int c2_up(struct net_device *netdev)
        tx_size = c2_port->tx_ring.count * sizeof(struct c2_tx_desc);
 
        c2_port->mem_size = tx_size + rx_size;
-       c2_port->mem = pci_alloc_consistent(c2dev->pcidev, c2_port->mem_size,
-                                           &c2_port->dma);
+       c2_port->mem = pci_zalloc_consistent(c2dev->pcidev, c2_port->mem_size,
+                                            &c2_port->dma);
        if (c2_port->mem == NULL) {
                pr_debug("Unable to allocate memory for "
                        "host descriptor rings\n");
                return -ENOMEM;
        }
 
-       memset(c2_port->mem, 0, c2_port->mem_size);
-
        /* Create the Rx host descriptor ring */
        if ((ret =
             c2_rx_ring_alloc(&c2_port->rx_ring, c2_port->mem, c2_port->dma,

diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 90200245c5ebfd5fe71000d17b78e52bfa8d4734..02120d340d50cffa62fa87bb31e4e22502d5e547 100644 (file)
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -1003,13 +1003,13 @@ int nes_init_cqp(struct nes_device *nesdev)
                        (sizeof(struct nes_hw_aeqe) * nesadapter->max_qp) +
                        sizeof(struct nes_hw_cqp_qp_context);
 
-       nesdev->cqp_vbase = pci_alloc_consistent(nesdev->pcidev, nesdev->cqp_mem_size,
-                       &nesdev->cqp_pbase);
+       nesdev->cqp_vbase = pci_zalloc_consistent(nesdev->pcidev,
+                                                 nesdev->cqp_mem_size,
+                                                 &nesdev->cqp_pbase);
        if (!nesdev->cqp_vbase) {
                nes_debug(NES_DBG_INIT, "Unable to allocate memory for host descriptor rings\n");
                return -ENOMEM;
        }
-       memset(nesdev->cqp_vbase, 0, nesdev->cqp_mem_size);
 
        /* Allocate a twice the number of CQP requests as the SQ size */
        nesdev->nes_cqp_requests = kzalloc(sizeof(struct nes_cqp_request) *
@@ -1691,13 +1691,13 @@ int nes_init_nic_qp(struct nes_device *nesdev, struct net_device *netdev)
                        (NES_NIC_WQ_SIZE * 2 * sizeof(struct nes_hw_nic_cqe)) +
                        sizeof(struct nes_hw_nic_qp_context);
 
-       nesvnic->nic_vbase = pci_alloc_consistent(nesdev->pcidev, nesvnic->nic_mem_size,
-                       &nesvnic->nic_pbase);
+       nesvnic->nic_vbase = pci_zalloc_consistent(nesdev->pcidev,
+                                                  nesvnic->nic_mem_size,
+                                                  &nesvnic->nic_pbase);
        if (!nesvnic->nic_vbase) {
                nes_debug(NES_DBG_INIT, "Unable to allocate memory for NIC host descriptor rings\n");
                return -ENOMEM;
        }
-       memset(nesvnic->nic_vbase, 0, nesvnic->nic_mem_size);
        nes_debug(NES_DBG_INIT, "Allocated NIC QP structures at %p (phys = %016lX), size = %u.\n",
                        nesvnic->nic_vbase, (unsigned long)nesvnic->nic_pbase, nesvnic->nic_mem_size);
 

diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 218dd35742851f14f5381dc734b245a599ad86e4..fef067c959fcf23c9455f96c17e8d734d6a894f6 100644 (file)
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -1616,8 +1616,8 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
                                entries, nescq->cq_mem_size, nescq->hw_cq.cq_number);
 
                /* allocate the physical buffer space */
-               mem = pci_alloc_consistent(nesdev->pcidev, nescq->cq_mem_size,
-                               &nescq->hw_cq.cq_pbase);
+               mem = pci_zalloc_consistent(nesdev->pcidev, nescq->cq_mem_size,
+                                           &nescq->hw_cq.cq_pbase);
                if (!mem) {
                        printk(KERN_ERR PFX "Unable to allocate pci memory for cq\n");
                        nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
@@ -1625,7 +1625,6 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
                        return ERR_PTR(-ENOMEM);
                }
 
-               memset(mem, 0, nescq->cq_mem_size);
                nescq->hw_cq.cq_vbase = mem;
                nescq->hw_cq.cq_head = 0;
                nes_debug(NES_DBG_CQ, "CQ%u virtual address @ %p, phys = 0x%08X\n",