[PATCH v2] ethernet :mellanox :mlx5: Replace pci_pool_alloc by pci_pool_zalloc

[Souptick Joarder]

In alloc_cmd_box(), pci_pool_alloc() followed by memset will be
replaced by pci_pool_zalloc()

Signed-off-by: Souptick joarder <jrdr.li...@gmail.com>
---
v2:
  - Address comments from Sergei
    Alignment was not proper
 drivers/net/ethernet/mellanox/mlx5/core/cmd.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c 
b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 1e639f8..94a23f6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -1063,14 +1063,13 @@ static struct mlx5_cmd_mailbox *alloc_cmd_box(struct 
mlx5_core_dev *dev,
        if (!mailbox)
                return ERR_PTR(-ENOMEM);

-       mailbox->buf = pci_pool_alloc(dev->cmd.pool, flags,
-                                     &mailbox->dma);
+       mailbox->buf = pci_pool_zalloc(dev->cmd.pool, flags,
+                                      &mailbox->dma);
        if (!mailbox->buf) {
                mlx5_core_dbg(dev, "failed allocation\n");
                kfree(mailbox);
                return ERR_PTR(-ENOMEM);
        }
-       memset(mailbox->buf, 0, sizeof(struct mlx5_cmd_prot_block));
        mailbox->next = NULL;

        return mailbox;
--
1.9.1