From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fuqian Huang Subject: [PATCH 25/87] infiniband: mthca: remove memset after dma_alloc_coherent in mthca_allocator.c Date: Fri, 28 Jun 2019 01:37:40 +0800 Message-ID: <20190627173741.3147-1-huangfq.daxian@gmail.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org Cc: Fuqian Huang , Doug Ledford , Jason Gunthorpe , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-rdma@vger.kernel.org In commit af7ddd8a627c ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), dma_alloc_coherent has already zeroed the memory. So memset is not needed. Signed-off-by: Fuqian Huang --- drivers/infiniband/hw/mthca/mthca_allocator.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/infiniband/hw/mthca/mthca_allocator.c b/drivers/infiniband/hw/mthca/mthca_allocator.c index aaf10dd5364d..aef1d274a14e 100644 --- a/drivers/infiniband/hw/mthca/mthca_allocator.c +++ b/drivers/infiniband/hw/mthca/mthca_allocator.c @@ -214,8 +214,6 @@ int mthca_buf_alloc(struct mthca_dev *dev, int size, int max_direct, dma_unmap_addr_set(&buf->direct, mapping, t); - memset(buf->direct.buf, 0, size); - while (t & ((1 << shift) - 1)) { --shift; npages *= 2; -- 2.11.0