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([2001:250:5800:1000::f280]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2cad78a3e76sm24836105ad.82.2026.07.04.10.44.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 04 Jul 2026 10:44:33 -0700 (PDT) From: Guangshuo Li To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Simona Vetter , Matthias Brugger , AngeloGioacchino Del Regno , Johan Hovold , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Guangshuo Li Subject: [PATCH] drm/mediatek: mtk_hdmi: Fix DDC adapter double put in v2 Date: Sun, 5 Jul 2026 01:41:13 +0800 Message-ID: <20260704174113.255485-1-lgs201920130244@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260704_104434_516318_9474DAC6 X-CRM114-Status: GOOD ( 11.66 ) 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 mtk_hdmi_common_probe() gets the DDC adapter with of_find_i2c_adapter_by_node() and registers a devm action to release the adapter device reference with put_device(). The HDMI v2 remove callback also calls i2c_put_adapter() on the same DDC adapter. This is not paired with the find helper and it drops the adapter device reference before the devm action drops it again. Remove the extra i2c_put_adapter() call from the HDMI v2 remove callback and let the common devm action release the adapter device reference. Fixes: 9545bae5c8ac ("drm/mediatek: mtk_hdmi: Fix probe device leaks") Signed-off-by: Guangshuo Li --- drivers/gpu/drm/mediatek/mtk_hdmi_v2.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_v2.c b/drivers/gpu/drm/mediatek/mtk_hdmi_v2.c index 7bbf463056c9..e668506daf67 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi_v2.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_v2.c @@ -1501,9 +1501,6 @@ static int mtk_hdmi_v2_probe(struct platform_device *pdev) static void mtk_hdmi_v2_remove(struct platform_device *pdev) { - struct mtk_hdmi *hdmi = platform_get_drvdata(pdev); - - i2c_put_adapter(hdmi->ddc_adpt); } static const struct of_device_id mtk_drm_hdmi_v2_of_ids[] = { -- 2.43.0