[PATCH 4.14 39/92] qed: Fix use of incorrect size in memcpy call.

From: Greg Kroah-Hartman
Date: Fri Jul 20 2018 - 08:35:14 EST


4.14-stable review patch. If anyone has any objections, please let me know.

------------------

From: Sudarsana Reddy Kalluru <sudarsana.kalluru@xxxxxxxxxx>

[ Upstream commit cc9b27cdf7bd3c86df73439758ac1564bc8f5bbe ]

Use the correct size value while copying chassis/port id values.

Fixes: 6ad8c632e ("qed: Add support for query/config dcbx.")
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@xxxxxxxxxx>
Signed-off-by: Michal Kalderon <Michal.Kalderon@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/qlogic/qed/qed_dcbx.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

--- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
@@ -700,9 +700,9 @@ qed_dcbx_get_local_lldp_params(struct qe
p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE];

memcpy(params->lldp_local.local_chassis_id, p_local->local_chassis_id,
- ARRAY_SIZE(p_local->local_chassis_id));
+ sizeof(p_local->local_chassis_id));
memcpy(params->lldp_local.local_port_id, p_local->local_port_id,
- ARRAY_SIZE(p_local->local_port_id));
+ sizeof(p_local->local_port_id));
}

static void
@@ -714,9 +714,9 @@ qed_dcbx_get_remote_lldp_params(struct q
p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE];

memcpy(params->lldp_remote.peer_chassis_id, p_remote->peer_chassis_id,
- ARRAY_SIZE(p_remote->peer_chassis_id));
+ sizeof(p_remote->peer_chassis_id));
memcpy(params->lldp_remote.peer_port_id, p_remote->peer_port_id,
- ARRAY_SIZE(p_remote->peer_port_id));
+ sizeof(p_remote->peer_port_id));
}

static int