From nobody Fri Sep 25 04:43:51 2026 Received: from cstnet.cn (smtp25.cstnet.cn [159.226.251.25]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D7C884D0CE5; Wed, 16 Sep 2026 17:19:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.25 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789579149; cv=none; b=E5rPpvKvUz3zZUd66+kwWu9aqbczMkrfDY1TG1iF1JjHL4vc8/kPOhwFWeUc93+w9gHTZmVWpcpL/G3CGt/Rj9/L0T5gAVWtIjdzU8RlPo44g/Q1I9U3q5BpYbx4SBsW+ep0rXj23UfBlBe3Wyaitk/F/7eYsHeZpbFhVxllHCU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789579149; c=relaxed/simple; bh=Qi0oYy8bvpa0rF6ygy7u5OZ0sYRVEkQtDoDzr4sgZfk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=iIf+1YNQKN6JaWIKSvctuz4zVfnpsWm014XwPlklMP57eBSJmJOAMYHKOmwDiRa7ac/wT5+zO3m0z2dDD9wiB9PZyL17Xne2IIKAZkNw2LgFUVu1LFJY6Cq0O8ORpxMbraMFiKqYHlgXXvFTrr+J5fm/VNciHXabCpJmqxOIeQs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.25 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from dfae2b116770.home.arpa (unknown [36.110.52.2]) by APP-05 (Coremail) with SMTP id zQCowAD3J0KCz6pqDHtuCA--.23129S2; Thu, 17 Sep 2026 01:18:58 +0800 (CST) From: Wentao Liang To: airlied@gmail.com Cc: airlied@redhat.com, alan@linux.intel.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, patrik.r.jakobsson@gmail.com, simona@ffwll.ch, tzimmermann@suse.de, Wentao Liang , stable@vger.kernel.org Subject: [PATCH] drm/gma500: Fix pdev reference leak in oaktrail_hdmi_setup() Date: Wed, 16 Sep 2026 17:18:31 +0000 Message-Id: <20260916171831.2087204-1-vulab@iscas.ac.cn> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: zQCowAD3J0KCz6pqDHtuCA--.23129S2 X-Coremail-Antispam: 1UD129KBjvdXoWrtw1fCr4fCrWxKF4xGF43Awb_yoW3ZFc_Wa 18Zrs7Xry7CF1qkr12yrsavr92kF98uFWkZan8ta4fG343Zryjq34YgFZ8XFy7Za4FvFWD J3ZIqF98Xrn7WjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbaAFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_ Gr1UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr 1j6F4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv 7VC0I7IYx2IY67AKxVWUtVWrXwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r 1j6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02 628vn2kIc2xKxwCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4 IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1r MI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUCV W8JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UMIIF0xvE42xK8VAvwI8IcIk0rVWU JVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E14v26r4UJVWxJr UvcSsGvfC2KfnxnUUI43ZEXa7VUbUPEDUUUUU== X-CM-SenderInfo: pyxotu46lvutnvoduhdfq/1tbiBwAMA2qqpVhfkQAAs7 Content-Type: text/plain; charset="utf-8" If kzalloc_obj() or pci_enable_device() or ioremap() fails, the PCI device reference obtained by pci_get_device() is not released. Drop the reference on the error paths. Fixes: 1b082ccf5901 ("gma500: Add Oaktrail support") Cc: stable@vger.kernel.org Signed-off-by: Wentao Liang --- drivers/gpu/drm/gma500/oaktrail_hdmi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma50= 0/oaktrail_hdmi.c index 403d21cbb3a2..09fc50fb6f7b 100644 --- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c +++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c @@ -717,6 +717,7 @@ void oaktrail_hdmi_setup(struct drm_device *dev) free: kfree(hdmi_dev); out: + pci_dev_put(pdev); return; } =20 --=20 2.34.1