From patchwork Fri Nov 15 16:41:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Imre Deak X-Patchwork-Id: 13876620 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 29EB4D68BCF for ; Fri, 15 Nov 2024 16:41:33 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2614710E8A2; Fri, 15 Nov 2024 16:41:29 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="VlWZjcNz"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id D4BF810E187; Fri, 15 Nov 2024 16:41:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1731688888; x=1763224888; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=1MkKQOlRR6eQEXqw3+vcN6WiR3YDSGfckt5F1GJLyHY=; b=VlWZjcNzfPj+HRW0u6b+9xlLXF/V/S1wpsPkmtqmXv77oaPQwQjlxlNO oheast5a5vzMNpO/zh2BXjte9lL8zAJQgp52QziE8bYht/bzEZCce7O97 WGZNkrKCgtSiqONWV+/TRFDpsq5n75QS+3f6OggEFXuXF7lgmnFhjcHBc PbinmNa3gzdMjdWbq2F14xl8aDQv94BptOrE8wKw5DS7mELvRa2bOWPBr BgssFe2rigUujzka5W7Hris73f0A3K6qSsglW4Eap+vtv99dH3941jhRb gWfLdrEFCLbQd1Qa64Ul8RkGj48ZCL9yFn46plPXot5urWwXngm2uk9ii g==; X-CSE-ConnectionGUID: /SnVuNkJTSuEAq+kubvdzA== X-CSE-MsgGUID: g6WoW4dgTcSzMh3tkJo7Fw== X-IronPort-AV: E=McAfee;i="6700,10204,11257"; a="31087079" X-IronPort-AV: E=Sophos;i="6.12,157,1728975600"; d="scan'208";a="31087079" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Nov 2024 08:41:27 -0800 X-CSE-ConnectionGUID: KkcCBGWTRPmWbEed8zLxqg== X-CSE-MsgGUID: 1dk9/6uhSOWmwUoo+EWm0Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,157,1728975600"; d="scan'208";a="119554624" Received: from ideak-desk.fi.intel.com ([10.237.72.78]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Nov 2024 08:41:27 -0800 From: Imre Deak To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH 4/4] drm/i915/dp_mst: Fix error handling while adding a connector Date: Fri, 15 Nov 2024 18:41:59 +0200 Message-ID: <20241115164159.1081675-4-imre.deak@intel.com> X-Mailer: git-send-email 2.44.2 In-Reply-To: <20241115164159.1081675-1-imre.deak@intel.com> References: <20241115164159.1081675-1-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" After an error during adding an MST connector the MST port and the intel_connector object could be leaked, fix this up. Signed-off-by: Imre Deak Reviewed-by: Rodrigo Vivi --- drivers/gpu/drm/i915/display/intel_dp_mst.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index d91a1d1fb26f4..70daa9131c92d 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -1731,11 +1731,8 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo ret = drm_connector_init_core(display->drm, connector, &intel_dp_mst_connector_funcs, DRM_MODE_CONNECTOR_DisplayPort); - if (ret) { - drm_dp_mst_put_port_malloc(port); - intel_connector_free(intel_connector); - return NULL; - } + if (ret) + goto err_put_port; intel_connector->dp.dsc_decompression_aux = drm_dp_mst_dsc_aux_for_port(port); intel_dp_mst_read_decompression_port_dsc_caps(intel_dp, intel_connector); @@ -1750,12 +1747,12 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo ret = drm_connector_attach_encoder(&intel_connector->base, enc); if (ret) - goto err; + goto err_cleanup_connector; } ret = intel_dp_mst_add_properties(intel_dp, connector, pathprop); if (ret) - goto err; + goto err_cleanup_connector; ret = intel_dp_hdcp_init(dig_port, intel_connector); if (ret) @@ -1766,8 +1763,12 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo return connector; -err: +err_cleanup_connector: drm_connector_cleanup(connector); +err_put_port: + drm_dp_mst_put_port_malloc(port); + intel_connector_free(intel_connector); + return NULL; }