From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D9A88606A323 for ; Tue, 27 Oct 2026 13:29:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=R/E3le1d; dkim=pass (1024-bit key, unprotected) header.d=rock-chips.com header.i=@rock-chips.com header.a=rsa-sha256 header.s=default header.b=NPirnYZl 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:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Unsubscribe-Post: List-Owner; bh=RUbnQZd01npFxSkYgQ+GOJK5rQ+b+UxFGoQp+0x6DuA=; b=R/E3le1dDrL2jk BeuoGdSP9AQ/70wyFJm1qhRtm13f8aAzFFmi2g4JJgNLmWnSqOQblh2sK0n0Biba3swieFpG6auZC k8QFgsdF7dhsLvEpq7UhFU1d9W/Ob0HQPBtf5BrtnCF9DVsrHUg1psXRFF4aRlmZHrPNxjfL2jAtq usMZtzd1x8q6WCr7wfMyYOGXHL3gZmSxoySZbJ9JRVzzLDHE8mGHkLr47kYWH+HeouCg/IsvH//Oh DDz9Y0JorH0ZOwpyzp5henppxIOQNaQcdrU6kQ1PcJI00isHCrHPtQCx5UtMFiFXe7QNs5MZNesEh fMMhahY4F6l1zDzgmkTA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xLhEe-00000004raQ-3jzM; Tue, 27 Oct 2026 13:29:04 +0000 Received: from mail-m1076.netease.com ([154.81.10.76]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xLhED-00000004qxb-1Bvh; Tue, 27 Oct 2026 13:28:39 +0000 Received: from zyb-HP-ProDesk-680-G2-MT.. (unknown [61.154.14.86]) by smtp.qiye.163.com (Hmail) with ESMTP id 528777a3c; Tue, 27 Oct 2026 21:28:30 +0800 (GMT+08:00) From: Damon Ding To: Andrzej Hajda , Neil Armstrong , Robert Foss , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jingoo Han , Inki Dae , Seung-Woo Kim , Kyungmin Park , Krzysztof Kozlowski , Peter Griffin , Alim Akhtar , Heiko Stuebner , Sandy Huang Cc: Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Luca Ceresoli , Dmitry Baryshkov , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, Damon Ding Subject: [PATCH v5 13/18] drm/exynos: exynos_dp: Unbind bridge when connector init fails Date: Tue, 27 Oct 2026 21:28:05 +0800 Message-Id: <20261027132810.1746118-14-damon.ding@rock-chips.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20261027132810.1746118-1-damon.ding@rock-chips.com> References: <20261027132810.1746118-1-damon.ding@rock-chips.com> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-HM-Tid: 0aa17d8c52f403a8kunm87c266213d5720 X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFITzdXWRgWCB1ZQUpXWS1ZQUlXWQ8JGhUIEh9ZQVlDGkxPVkNPGR9PGR8YSEtOTFYVFA kWGhdVEwETFhoSFyQUDg9ZV1kYEgtZQVlNSlVKTk9VSk9VQ01ZV1kWGg8SFR0UWUFZT0tIVUpLSU 9PT0hVSktLVUpCS0tZBg++ DKIM-Signature: a=rsa-sha256; b=NPirnYZlPG1sPdOJ5EysWzLUSSCEHtFIgB4DXt/ssBfk0at08VF3GnSiY76pbuE/rtTgcYFnf15hXLyPoBrmpnCHy9hF8hmFpJ/rg687Tg/cFw2qqsx14CD9OFFAbvH+O1NuKTejTQ8VeR5WTcUo279jB6ahUcdjy/qHBR8x0fg=; c=relaxed/relaxed; s=default; d=rock-chips.com; v=1; bh=RUbnQZd01npFxSkYgQ+GOJK5rQ+b+UxFGoQp+0x6DuA=; h=date:mime-version:subject:message-id:from; X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261027_062838_261020_831BFB01 X-CRM114-Status: UNSURE ( 8.49 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 The exynos_dp_bind() returns without unwinding analogix_dp_bind() when drm_bridge_connector_init() fails. The aux device registered by analogix_dp_bind() is then left behind with a dangling drm_dev pointer, which could be accessed on later AUX transfers. Call analogix_dp_unbind() in the error path to release the aux device. Signed-off-by: Damon Ding --- drivers/gpu/drm/exynos/exynos_dp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/exynos_dp.c index b1e130278ecc..032c50d56179 100644 --- a/drivers/gpu/drm/exynos/exynos_dp.c +++ b/drivers/gpu/drm/exynos/exynos_dp.c @@ -121,6 +121,7 @@ static int exynos_dp_bind(struct device *dev, struct device *master, void *data) if (IS_ERR(connector)) { ret = PTR_ERR(connector); dev_err(dp->dev, "Failed to initialize bridge_connector\n"); + analogix_dp_unbind(dp->adp); return ret; } -- 2.34.1