From nobody Mon Feb 9 13:25:05 2026 Received: from cstnet.cn (smtp84.cstnet.cn [159.226.251.84]) (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 81D2033373E; Thu, 18 Dec 2025 08:20:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.84 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766046011; cv=none; b=dLonQH+qPxujJoEMotHQa/083pPQM7hexWr6JgYyZpl8EL+dNSZigp/84wibmHgu5P/5AwfaomvdR+RwwtsC+1RbFovYjR7FyRh4y8Da2NZRmJLrrlkvlht3WOmXue/FiU33xOebrHc9Di3VgyYhdUTfTMDNCgXzsub5Y7KnVYk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766046011; c=relaxed/simple; bh=rPLXOZC3Wt6koNftBuHRaL3/E30W8zFZBc7CjteOnXk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=qtbCT73y8QU9EBisZekqihIZodWqOdvQreLvSUmlLbRELBrBmG//GSGixpRZ1nOTpsXtc6X8uCamtUxRRf9MkeWzmV+wtouopeq+jdiWjeCeG5Wc5NplxLknzxwk27fYs5xJ8LMxxSeYy71sXhmAgNWXaUY6ZHsFFCOAx8Ucn/w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.iscas.ac.cn; arc=none smtp.client-ip=159.226.251.84 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn Received: from localhost.localdomain (unknown [36.112.3.209]) by APP-05 (Coremail) with SMTP id zQCowAA3zRAsuUNpBp0PAQ--.5448S2; Thu, 18 Dec 2025 16:19:56 +0800 (CST) From: Haoxiang Li To: rafael@kernel.org, lihaoxiang@isrc.iscas.ac.cn Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH] PNP: add put_device() in pnpbios_init() Date: Thu, 18 Dec 2025 16:19:55 +0800 Message-Id: <20251218081955.548521-1-lihaoxiang@isrc.iscas.ac.cn> X-Mailer: git-send-email 2.25.1 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: zQCowAA3zRAsuUNpBp0PAQ--.5448S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Jr1UXF47Gry3Gr17uF4xXrb_yoW3CrgEgF y0gFy2qrWrC397Gr1UJr1xZFWUK3ZruFs29r4ktF4Yy34Iqr1qg3s8Zr98A34Uua1xAryD AFW5trWxArs7GjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbckFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6r1S6rWUM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Jr0_ Gr1l84ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Jr0_Gr 1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0 cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8Jw ACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lc7CjxVAaw2AFwI0_JF0_ Jw1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxV WUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI 7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r 1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI 42IY6I8E87Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x0JUSNtxUUUUU= X-CM-SenderInfo: 5olkt0x0ld0ww6lv2u4olvutnvoduhdfq/1tbiCRETE2lCxptgmQABsW Content-Type: text/plain; charset="utf-8" If pnp_register_protocol() fails, call put_device() to drop the device reference. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li --- drivers/pnp/pnpbios/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c index f7e86ae9f72f..997e0153d6e3 100644 --- a/drivers/pnp/pnpbios/core.c +++ b/drivers/pnp/pnpbios/core.c @@ -538,6 +538,7 @@ static int __init pnpbios_init(void) /* register with the pnp layer */ ret =3D pnp_register_protocol(&pnpbios_protocol); if (ret) { + put_device(&pnpbios_protocol.dev) printk(KERN_ERR "PnPBIOS: Unable to register driver. Aborting.\n"); return ret; --=20 2.25.1