From 4c44d4634b5c90993fccca9f155347221df6f877 Mon Sep 17 00:00:00 2001 From: Fuqian Huang Date: Fri, 28 Jun 2019 10:47:19 +0800 Subject: IB: Remove unneeded memset In commit af7ddd8a627c ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), dma_alloc_coherent/dmam_alloc_coherent always zeroed the returned memory. So the memset after a coherent allocation function is not needed. Signed-off-by: Fuqian Huang Reviewed-by: Jason Gunthorpe Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/cxgb4/cq.c | 1 - drivers/infiniband/hw/cxgb4/qp.c | 1 - 2 files changed, 2 deletions(-) (limited to 'drivers/infiniband/hw/cxgb4') diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c index 3cc4d3331a3f..b1bb61c65f4f 100644 --- a/drivers/infiniband/hw/cxgb4/cq.c +++ b/drivers/infiniband/hw/cxgb4/cq.c @@ -102,7 +102,6 @@ static int create_cq(struct c4iw_rdev *rdev, struct t4_cq *cq, goto err3; } dma_unmap_addr_set(cq, mapping, cq->dma_addr); - memset(cq->queue, 0, cq->memsize); if (user && ucontext->is_32b_cqe) { cq->qp_errp = &((struct t4_status_page *) diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index 9523986d62b1..eb9368be28c1 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -274,7 +274,6 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, (unsigned long long)virt_to_phys(wq->sq.queue), wq->rq.queue, (unsigned long long)virt_to_phys(wq->rq.queue)); - memset(wq->rq.queue, 0, wq->rq.memsize); dma_unmap_addr_set(&wq->rq, mapping, wq->rq.dma_addr); } -- cgit v1.2.3-70-g09d2