mlx5_core: Fix out arg size in access_register command

The output size should be the sum of the core access reg output struct
plus the size of the specific register data provided by the caller.

Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index f6afe7b5a675a46a7ee2da48236e22dc69f2e562..8c9ac870ecb170001be01a6e1cb433a0487ea827 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -57,7 +57,7 @@ int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
        in->arg = cpu_to_be32(arg);
        in->register_id = cpu_to_be16(reg_num);
        err = mlx5_cmd_exec(dev, in, sizeof(*in) + size_in, out,
-                           sizeof(out) + size_out);
+                           sizeof(*out) + size_out);
        if (err)
                goto ex2;