From: Olga Shern <ol...@mellanox.com> RHEL 7.1's GCC for POWER8 reports the following error in one rte_memcpy() macro call by mlx5:
error: array subscript is above array bounds [-Werror=array-bounds] It appears to be a GCC bug which can be worked around by making parentheses more explicit. Signed-off-by: Olga Shern <olgas at mellanox.com> Signed-off-by: Adrien Mazarguil <adrien.mazarguil at 6wind.com> --- drivers/net/mlx5/mlx5_rxtx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c index 615de94..fce3381 100644 --- a/drivers/net/mlx5/mlx5_rxtx.c +++ b/drivers/net/mlx5/mlx5_rxtx.c @@ -472,8 +472,8 @@ mlx5_wqe_write_inline_vlan(struct txq *txq, volatile union mlx5_wqe *wqe, (uint8_t *)addr, 12); rte_memcpy((uint8_t *)(uintptr_t)wqe->inl.eseg.inline_hdr_start + 12, &vlan, sizeof(vlan)); - rte_memcpy((uint8_t *)(uintptr_t)wqe->inl.eseg.inline_hdr_start + 16, - ((uint8_t *)addr + 12), 2); + rte_memcpy((uint8_t *)((uintptr_t)wqe->inl.eseg.inline_hdr_start + 16), + (uint8_t *)(addr + 12), 2); addr += MLX5_ETH_VLAN_INLINE_HEADER_SIZE - sizeof(vlan); length -= MLX5_ETH_VLAN_INLINE_HEADER_SIZE - sizeof(vlan); size = (sizeof(wqe->inl.ctrl.ctrl) + -- 2.1.4