net/mlx4_core: Initialize all mailbox buffers to zero before use

[cascardo/linux.git] / drivers / net / ethernet / mellanox / mlx4 / cq.c

diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c
index 004e423..22fcbe7 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/cq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cq.c
@@ -128,8 +128,6 @@ int mlx4_cq_modify(struct mlx4_dev *dev, struct mlx4_cq *cq,
                return PTR_ERR(mailbox);
 
        cq_context = mailbox->buf;
-       memset(cq_context, 0, sizeof *cq_context);
-
        cq_context->cq_max_count = cpu_to_be16(count);
        cq_context->cq_period    = cpu_to_be16(period);
 
@@ -153,8 +151,6 @@ int mlx4_cq_resize(struct mlx4_dev *dev, struct mlx4_cq *cq,
                return PTR_ERR(mailbox);
 
        cq_context = mailbox->buf;
-       memset(cq_context, 0, sizeof *cq_context);
-
        cq_context->logsize_usrpage = cpu_to_be32(ilog2(entries) << 24);
        cq_context->log_page_size   = mtt->page_shift - 12;
        mtt_addr = mlx4_mtt_addr(dev, mtt);
@@ -274,8 +270,6 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent,
        }
 
        cq_context = mailbox->buf;
-       memset(cq_context, 0, sizeof *cq_context);
-
        cq_context->flags           = cpu_to_be32(!!collapsed << 18);
        if (timestamp_en)
                cq_context->flags  |= cpu_to_be32(1 << 19);