From patchwork Tue Dec 3 16:02:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Imre Deak X-Patchwork-Id: 13892662 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 74BB6E74AC1 for ; Tue, 3 Dec 2024 16:02:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C8C7C10EA8C; Tue, 3 Dec 2024 16:01:57 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ZfBb+XyN"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3554810EA86; Tue, 3 Dec 2024 16:01:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1733241716; x=1764777716; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=pVJrzV+3fT+++tYPAwmhx4Gkj6+Ai35G9THmqwowsrI=; b=ZfBb+XyN5CI+Heuc3yod+pMyf4Fxm5KVk3MuQMqVe6l9olTC6mtpdcVG 00V5HZNkfB3vFHGaZai/Hzk/hMDQ1NpJ0bU+H41PdVa2wzMP0D2aoa4+Q hAJbr2QUgB/vJP1HPHvZQskeHm/HQD8C2RCzLmmcf0PFN0WJ1w4FOROtn 62Pcx2qrFvfJrw6u+MVLTm509HYh5hW/57fhnziVOevm0PVhcNYCYqCuH nxxf4I0CTwyY14l6OpOTkXhwwVV0Zsi4WSewL4g8fmmGhTYxeFp/ZIzCE YsT+DyogAODlnGayIGevRjM4dmcFXl4ZNQCrLL1+ukcd/R+SZiXBZsL0e Q==; X-CSE-ConnectionGUID: KAiVvfrRSYOyF2+b3gfRrg== X-CSE-MsgGUID: ylSuyLTWT3yDjryntjDYqQ== X-IronPort-AV: E=McAfee;i="6700,10204,11275"; a="37236059" X-IronPort-AV: E=Sophos;i="6.12,205,1728975600"; d="scan'208";a="37236059" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Dec 2024 08:01:56 -0800 X-CSE-ConnectionGUID: AzcKO9bcQ9uC5bxzd1m59g== X-CSE-MsgGUID: 3JMpsdsgQwOVftWDsoaSbQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,205,1728975600"; d="scan'208";a="93313056" Received: from ideak-desk.fi.intel.com ([10.237.72.78]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Dec 2024 08:01:48 -0800 From: Imre Deak To: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, Lyude Paul Subject: [PATCH 3/7] drm/dp_mst: Simplify error path in drm_dp_mst_handle_down_rep() Date: Tue, 3 Dec 2024 18:02:19 +0200 Message-ID: <20241203160223.2926014-4-imre.deak@intel.com> X-Mailer: git-send-email 2.44.2 In-Reply-To: <20241203160223.2926014-1-imre.deak@intel.com> References: <20241203160223.2926014-1-imre.deak@intel.com> MIME-Version: 1.0 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Simplify the error return path in drm_dp_mst_handle_down_rep(), preparing for the next patch. While at it use reset_msg_rx_state() instead of open-coding it. Cc: Lyude Paul Signed-off-by: Imre Deak --- drivers/gpu/drm/display/drm_dp_mst_topology.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/gpu/drm/display/drm_dp_mst_topology.c b/drivers/gpu/drm/display/drm_dp_mst_topology.c index bcf3a33123be1..6ec8680998d5a 100644 --- a/drivers/gpu/drm/display/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/display/drm_dp_mst_topology.c @@ -4013,9 +4013,6 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) txmsg->reply.u.nak.nak_data); } - memset(msg, 0, sizeof(struct drm_dp_sideband_msg_rx)); - drm_dp_mst_topology_put_mstb(mstb); - mutex_lock(&mgr->qlock); txmsg->state = DRM_DP_SIDEBAND_TX_RX; list_del(&txmsg->next); @@ -4023,10 +4020,8 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) wake_up_all(&mgr->tx_waitq); - return 0; - out_clear_reply: - memset(msg, 0, sizeof(struct drm_dp_sideband_msg_rx)); + reset_msg_rx_state(msg); out: if (mstb) drm_dp_mst_topology_put_mstb(mstb);