* [PATCH 21/87] infiniband: cxgb4: Remove call to memset after dma_alloc_coherent in cq.c
@ 2019-06-27 17:37 Fuqian Huang
0 siblings, 0 replies; only message in thread
From: Fuqian Huang @ 2019-06-27 17:37 UTC (permalink / raw)
Cc: Fuqian Huang, Potnuri Bharat Teja, Doug Ledford, Jason Gunthorpe,
linux-rdma, linux-kernel
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 <huangfq.daxian@gmail.com>
---
drivers/infiniband/hw/cxgb4/cq.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index 52ce586621c6..fcd161e3495b 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -104,7 +104,6 @@ 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 *)
--
2.11.0
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2019-06-27 17:37 [PATCH 21/87] infiniband: cxgb4: Remove call to memset after dma_alloc_coherent in cq.c Fuqian Huang
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