diff mbox series

[v6,3/4] net/mlx5: fix warning about rte_memcpy length

Message ID 20230116124414.49905-3-mb@smartsharesystems.com (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers
Series [v6,1/4] net/bnx2x: fix warnings about rte_memcpy lengths |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Morten Brørup Jan. 16, 2023, 12:44 p.m. UTC 
  Use RTE_PTR_ADD where copying to the offset of a field in a structure
holding multiple fields, to avoid compiler warnings with decorated
rte_memcpy.

Fixes: 16a7dbc4f69006cc1c96ca2a2c6d3e3c51a2ff50 ("net/mlx5: make flow modify action list thread safe")
Cc: xuemingl@nvidia.com
Cc: matan@nvidia.com
Cc: viacheslavo@nvidia.com

Signed-off-by: Morten Brørup <mb@smartsharesystems.com>
---
v6:
* Add Fixes to patch description.
v5:
* First patch in series.
---
 drivers/net/mlx5/mlx5_flow_dv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index 62c38b87a1..dd9f5fda1a 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -5662,7 +5662,7 @@  flow_dv_modify_create_cb(void *tool_ctx, void *cb_ctx)
 				   "cannot allocate resource memory");
 		return NULL;
 	}
-	rte_memcpy(&entry->ft_type,
+	rte_memcpy(RTE_PTR_ADD(entry, offsetof(typeof(*entry), ft_type)),
 		   RTE_PTR_ADD(ref, offsetof(typeof(*ref), ft_type)),
 		   key_len + data_len);
 	if (entry->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)