infiniband/hw/cxgb3/cxio_hal.c: Use dma_zalloc_coherent

Replaced dma_alloc_coherent + memset with dma_zalloc_coherent

Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index dcb4bba..df4f7a3 100644 (file)
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -291,13 +291,12 @@ int cxio_create_qp(struct cxio_rdev *rdev_p, u32 kernel_domain,
        if (!wq->sq)
                goto err3;
 
-       wq->queue = dma_alloc_coherent(&(rdev_p->rnic_info.pdev->dev),
+       wq->queue = dma_zalloc_coherent(&(rdev_p->rnic_info.pdev->dev),
                                             depth * sizeof(union t3_wr),
                                             &(wq->dma_addr), GFP_KERNEL);
        if (!wq->queue)
                goto err4;
 
-       memset(wq->queue, 0, depth * sizeof(union t3_wr));
        dma_unmap_addr_set(wq, mapping, wq->dma_addr);
        wq->doorbell = (void __iomem *)rdev_p->rnic_info.kdb_addr;
        if (!kernel_domain)