From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=124.126.103.232 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793063438; b=yU8LdhkvNHEhzAW4mGx5wYB+2txfr2gBnhUZgj8xzJ15TLk5CQGkHEAX/JXEm9spKt6G yYqPxnOs20qFBaG4BLP2ZmLRTcmINCuIHomFta9aYKHGcgZGghTO25bbH/3Oxdobcgtyi t2gSL/ivz8NLX/jbKuucemKIYhh7ZwQfKp0wtN+o+br42EL0uEA/0/1TaZN2G5INu6kQu srR5yQ4GGQFQm8zqqKwi+zLZVuI1DS1zvaB2xeAyBEg3NYPko9fqIyd+3KLlkXH3vtQht zqiswamSGwNaGXULFL1XneLLdwVNAhkPZMWBbQ+vGKa3ItM0mlyGcWgnmM2Pk+2PWnQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793063438; h=DMARC-Filter:X-UUID:X-CID-P-RULE:X-CID-O-INFO:X-CID-META:X-CID-BVR: X-CID-BAS:X-CID-FACTOR:X-CID-RHF:X-UUID:X-User:Received:From:To:Cc: Subject:Date:Message-Id:X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding; bh=sQ6or6RHM10CyX3g5zf/eJ0i+hptie8RBH5If6Yz+P4=; b=lIV9lkse4/h/KZpFZN1DP24DaL96Ec4hWD80N6FbAm7+Mi14RqQzXEwaCklAuzrdd7yW unNQDOiXRkTaq0yKzQvQN7itNnhtQPHAtZR+DiMM6oplzFFGqZxZBSDfNpyPpOseGdTyT OaV2jQFgLcJKmGyDNO/Mu31wjAeaNebV8nYrKVRM0tF7LyajqO/PaKEttgqG7nAsxnon+ jw69lln+fSfnBjgp2G3HUHKkqmXarklDqW1GEghoSoPU3x/PWdWzXsz5VzIhzV3LGGUJs 0c6guf4f7G7rdvwPA3V5+np9VSCJHCR3LSpxdTogBMOAx/sH7xQFk1KmE4z2bB58eOQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.remote-ip=124.126.103.232 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 BA280606A31A; Tue, 27 Oct 2026 01:10:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org BA280606A31A Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 324da7acd1a311f19a56ed5b684f684d-20261027 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.19,REQID:852f5f3e-4031-4a72-ae25-321bc406faff,IP:0,U RL:0,TC:0,Content:-25,EDM:25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:7db8b62,CLOUDID:166f55551dc327e66c9daa7955fcb792,BulkI D:nil,BulkQuantity:0,SF:81|82|102|136|850|865|898,TC:nil,Content:0|15|50|9 9,EDM:5|-100,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OS I:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 324da7acd1a311f19a56ed5b684f684d-20261027 X-User: chenchangcheng@kylinos.cn Received: from localhost.localdomain [(10.44.16.150)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 316597076; Tue, 27 Oct 2026 09:10:27 +0800 From: Chen Changcheng To: markus.elfring@web.de Cc: chenchangcheng@kylinos.cn, hverkuil+cisco@kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, stable@vger.kernel.org Subject: [PATCH v3] media: dm1105: fix rc_dev leak on probe error paths Date: Tue, 27 Oct 2026 09:10:17 +0800 Message-Id: <20261027011017.28834-1-chenchangcheng@kylinos.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <74064ad6-8a0c-45c6-bdfb-0b4eb21d0f3e@web.de> References: <74064ad6-8a0c-45c6-bdfb-0b4eb21d0f3e@web.de> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The return value of a dm1105_ir_init() call was ignored within dm1105_probe(). The error detection and exception handling was incomplete. Thus add a needed condition check. Adjust a subsequent jump target for the completion of the desired error handling. Fixes: 519a4bdcf822 ("V4L/DVB (11984): Add support for yet another SDMC DM1105 based DVB-S card.") Cc: stable@vger.kernel.org Signed-off-by: Chen Changcheng --- Changes in v2: - Added Fixes: tag and Cc: stable@vger.kernel.org. Changes in v3: - Refined commit message wording per suggestion from Markus Elfring. drivers/media/pci/dm1105/dm1105.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/media/pci/dm1105/dm1105.c b/drivers/media/pci/dm1105/dm1105.c index ae4544042a74..9d49e95c8182 100644 --- a/drivers/media/pci/dm1105/dm1105.c +++ b/drivers/media/pci/dm1105/dm1105.c @@ -1125,14 +1125,16 @@ static int dm1105_probe(struct pci_dev *pdev, if (ret < 0) goto err_dvb_net; - dm1105_ir_init(dev); + ret = dm1105_ir_init(dev); + if (ret) + goto err_dvb_net; INIT_WORK(&dev->work, dm1105_dmx_buffer); sprintf(dev->wqn, "%s/%d", dvb_adapter->name, dvb_adapter->num); dev->wq = create_singlethread_workqueue(dev->wqn); if (!dev->wq) { ret = -ENOMEM; - goto err_dvb_net; + goto err_dm1105_ir_exit; } ret = request_irq(pdev->irq, dm1105_irq, IRQF_SHARED, @@ -1144,6 +1146,8 @@ static int dm1105_probe(struct pci_dev *pdev, err_workqueue: destroy_workqueue(dev->wq); +err_dm1105_ir_exit: + dm1105_ir_exit(dev); err_dvb_net: dvb_net_release(&dev->dvbnet); err_disconnect_frontend: -- 2.25.1