From: Himanshu Jha <himanshujha199640@gmail.com>
Date: Sun, 31 Dec 2017 18:01:03 +0530
Subject: RDMA/qedr: Use zeroing memory allocator than allocator/memset
Patch-mainline: v4.16-rc1
Git-commit: 7bced914e80ac23978a3eb6ba00a3338e7fce087
References: bsc#1086314 FATE#324886 bsc#1086313 FATE#324885 bsc#1086301 FATE#3248881
Use dma_zalloc_coherent for allocating zeroed
memory and remove unnecessary memset function.
Done using Coccinelle.
Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci
0-day tested with no failures.
Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Acked-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/hw/qedr/verbs.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -604,12 +604,11 @@ static struct qedr_pbl *qedr_alloc_pbl_t
return ERR_PTR(-ENOMEM);
for (i = 0; i < pbl_info->num_pbls; i++) {
- va = dma_alloc_coherent(&pdev->dev, pbl_info->pbl_size,
- &pa, flags);
+ va = dma_zalloc_coherent(&pdev->dev, pbl_info->pbl_size,
+ &pa, flags);
if (!va)
goto err;
- memset(va, 0, pbl_info->pbl_size);
pbl_table[i].va = va;
pbl_table[i].pa = pa;
}