From patchwork Thu Feb 18 16:18:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dekel Peled X-Patchwork-Id: 87989 X-Patchwork-Delegate: rasland@nvidia.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 026C3A054A; Thu, 18 Feb 2021 17:18:17 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 51ADB1607DE; Thu, 18 Feb 2021 17:18:16 +0100 (CET) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by mails.dpdk.org (Postfix) with ESMTP id C701F40040 for ; Thu, 18 Feb 2021 17:18:14 +0100 (CET) Received: from Internal Mail-Server by MTLPINE1 (envelope-from dekelp@nvidia.com) with SMTP; 18 Feb 2021 18:18:12 +0200 Received: from mtl-vdi-280.wap.labs.mlnx. (mtl-vdi-280.wap.labs.mlnx [10.228.136.74]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 11IGICh4028243; Thu, 18 Feb 2021 18:18:12 +0200 From: Dekel Peled To: matan@nvidia.com, shahafs@nvidia.com, viacheslavo@nvidia.com Cc: dev@dpdk.org, stable@dpdk.org Date: Thu, 18 Feb 2021 18:18:05 +0200 Message-Id: <20c35b607a623f615338a84c4af5b80c1d95b39b.1613664690.git.dekelp@nvidia.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH] common/mlx5: fix output buffer size calculation X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Previous patch included a glue function call, with wrong size calculation for an output buffer. This patch fixes the issue, using the correct size calculation. Fixes: bb7ef9a96281 ("common/mlx5: add register access DevX routine") Cc: stable@dpdk.org Signed-off-by: Dekel Peled Acked-by: Slava Ovsiienko --- drivers/common/mlx5/mlx5_devx_cmds.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c index cc70c794e7..0185d57036 100644 --- a/drivers/common/mlx5/mlx5_devx_cmds.c +++ b/drivers/common/mlx5/mlx5_devx_cmds.c @@ -53,8 +53,8 @@ mlx5_devx_cmd_register_read(void *ctx, uint16_t reg_id, uint32_t arg, MLX5_SET(access_register_in, in, register_id, reg_id); MLX5_SET(access_register_in, in, argument, arg); rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, - MLX5_ST_SZ_DW(access_register_out) * - sizeof(uint32_t) + dw_cnt); + MLX5_ST_SZ_BYTES(access_register_out) + + sizeof(uint32_t) * dw_cnt); if (rc) goto error; status = MLX5_GET(access_register_out, out, status);