From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leon Romanovsky Subject: [PATCH rdma-next v1 6/6] IB/mlx5: Use ARRAY_SIZE Date: Mon, 16 Oct 2017 08:45:17 +0300 Message-ID: <20171016054517.30643-7-leon@kernel.org> References: <20171016054517.30643-1-leon@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20171016054517.30643-1-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Doug Ledford Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Leon Romanovsky , =?UTF-8?q?J=C3=A9r=C3=A9my=20Lefaure?= List-Id: linux-rdma@vger.kernel.org From: Jérémy Lefaure Using the ARRAY_SIZE macro improves the readability of the code. Found with Coccinelle with the following semantic patch: @r depends on (org || report)@ type T; T[] E; position p; @@ ( (sizeof(E)@p /sizeof(*E)) | (sizeof(E)@p /sizeof(E[...])) | (sizeof(E)@p /sizeof(T)) ) Signed-off-by: Jérémy Lefaure Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/odp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index 3d701c7a4c91..e2197bdda89c 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -32,6 +32,7 @@ #include #include +#include #include "mlx5_ib.h" #include "cmd.h" @@ -929,9 +930,8 @@ static int mlx5_ib_mr_initiator_pfault_handler( return -EFAULT; } - if (unlikely(opcode >= sizeof(mlx5_ib_odp_opcode_cap) / - sizeof(mlx5_ib_odp_opcode_cap[0]) || - !(transport_caps & mlx5_ib_odp_opcode_cap[opcode]))) { + if (unlikely(opcode >= ARRAY_SIZE(mlx5_ib_odp_opcode_cap) || + !(transport_caps & mlx5_ib_odp_opcode_cap[opcode]))) { mlx5_ib_err(dev, "ODP fault on QP of an unsupported opcode 0x%x\n", opcode); return -EFAULT; -- 2.14.2 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html