From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 D0FF0F364A6 for ; Thu, 9 Apr 2026 17:09:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=wQHs+xJKsUMQO+6CCh7X3NX/2yXBo/WKUOrvcvLPWfg=; b=cwa62B7tj+ENyhaihHNHzodAiX S8F3w+9lIZih4LMoCO+FMZIfyt1g4Uf93aggwCievPBX0Y2efXum8kMBbZfW67XhuDmKu8K/u1/KN tzIYor5qpm+qrEp+9AKzFOw96gjOah59MrO+mMwE0hWLN2ng5Bjy6JqRo2YHndVlkjekUG6YtB/1l 7bl+8vo4yjXvpQDu9ufZrICrEP0k+YcLQiwEA6c6/4p3+HuQHeyJ/iAUZVqwZeYW42S5yvsi04Gns +MuXHfKZXORK5+TzKoFJPmwkfp/EkfSZFgnLkbXt1VOGxZao4gWGlrVkU/2IBh7lGsLrPV9RMQHfI 2c28yjdw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wAssH-0000000AyXj-0b1W; Thu, 09 Apr 2026 17:09:01 +0000 Received: from smtpout-04.galae.net ([185.171.202.116]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wAssD-0000000AyWy-1ihi; Thu, 09 Apr 2026 17:08:59 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 8B53CC5C18B; Thu, 9 Apr 2026 17:09:30 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id C09BA603E4; Thu, 9 Apr 2026 17:08:55 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 9BAF410450194; Thu, 9 Apr 2026 19:08:50 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1775754534; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=wQHs+xJKsUMQO+6CCh7X3NX/2yXBo/WKUOrvcvLPWfg=; b=MIZWIZeI6SDzL7xElyXrZcp1xP5FU/iv6TVLEMIzJzuy69V14+eWik9kRKFGixgQaD6ciS Ddf0uG5jq9ljh6Qn4Bfo3Lo4wh3XkM6VJnIAAGk9dBUjHNGHVUxP2CdnVN7cr8dJaD0IMj J0Syiixw7j9TNbIZj6PVG1Ugn2d1/iCHei/yCZMmd68Rx+dsZQxLDuWDrcTWQIm7QeB+QA 164m9FfPe/Owoxjn26H4BCuDi+FulELgNLV8kTRt7/wicDSenIEtyWuk+lzDtW7/7QYFln hwwOk/KBfs0c9gD6gPRrMcw5DivnFR3liiquTWK6mqxqzChKFRM/bHEfHbbn+Q== From: Kory Maincent Date: Thu, 09 Apr 2026 19:08:17 +0200 Subject: [PATCH RFC 01/12] drm/i915/display/intel_sdvo: Fix double connector destroy in error paths MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260409-feat_link_cap-v1-1-7069e8199ce2@bootlin.com> References: <20260409-feat_link_cap-v1-0-7069e8199ce2@bootlin.com> In-Reply-To: <20260409-feat_link_cap-v1-0-7069e8199ce2@bootlin.com> To: Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , David Airlie , Simona Vetter , Dave Airlie , Jesse Barnes , Eric Anholt , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Chun-Kuang Hu , Philipp Zabel , Matthias Brugger , AngeloGioacchino Del Regno , Chris Wilson Cc: Thomas Petazzoni , Mark Yacoub , Sean Paul , Louis Chauvet , intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Simona Vetter , Kory Maincent X-Mailer: b4 0.14-dev-d4707 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260409_100857_598569_BF69746F X-CRM114-Status: UNSURE ( 9.90 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org intel_sdvo_connector_funcs registers intel_connector_destroy() as the .destroy callback. Once drm_connector_init_with_ddc() succeeds inside intel_sdvo_connector_init(), the DRM core takes ownership of the connector object and will call .destroy on teardown. The error labels in intel_sdvo_tv_init() and intel_sdvo_lvds_init() call intel_connector_destroy() explicitly before returning false, causing it to be invoked twice: once in the error path and again by the DRM core through the registered .destroy callback. Remove the manual intel_connector_destroy() calls from the error labels and return false directly instead. Fixes: 32aad86fe88e7 ("drm/i915/sdvo: Propagate errors from reading/writing control bus.") Signed-off-by: Kory Maincent --- Not tested as I don't have such hardware. --- drivers/gpu/drm/i915/display/intel_sdvo.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c index 2e1af9e869ded..6eb2b4b45a9b4 100644 --- a/drivers/gpu/drm/i915/display/intel_sdvo.c +++ b/drivers/gpu/drm/i915/display/intel_sdvo.c @@ -2873,16 +2873,12 @@ intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, u16 type) } if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type)) - goto err; + return false; if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector)) - goto err; + return false; return true; - -err: - intel_connector_destroy(connector); - return false; } static bool @@ -2945,7 +2941,7 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, u16 type) } if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector)) - goto err; + return false; intel_bios_init_panel_late(display, &intel_connector->panel, NULL, NULL); @@ -2967,13 +2963,9 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, u16 type) intel_panel_init(intel_connector, NULL); if (!intel_panel_preferred_fixed_mode(intel_connector)) - goto err; + return false; return true; - -err: - intel_connector_destroy(connector); - return false; } static u16 intel_sdvo_filter_output_flags(u16 flags) -- 2.43.0