[PATCH 84/87] ethernet: mellanox: mlxsw: remove memset after pci_alloc_persistent

From: Fuqian Huang
Date: Thu Jun 27 2019 - 13:43:33 EST


pci_alloc_persistent calls dma_alloc_coherent directly.
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@xxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlxsw/pci.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c
index b40455f8293d..be310ac0883a 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/pci.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c
@@ -835,7 +835,6 @@ static int mlxsw_pci_queue_init(struct mlxsw_pci *mlxsw_pci, char *mbox,
&mem_item->mapaddr);
if (!mem_item->buf)
return -ENOMEM;
- memset(mem_item->buf, 0, mem_item->size);

q->elem_info = kcalloc(q->count, sizeof(*q->elem_info), GFP_KERNEL);
if (!q->elem_info) {
--
2.11.0