From nobody Fri Jul 24 04:50:44 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7A6C81F192E; Fri, 24 Jul 2026 02:52:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784861555; cv=none; b=Jg1XSCylQbJ+uR5j1Cu80QKs6qk8VsUHpkER+z9j12UewyIrPZIxnd0uyIgf1o4UbFg/f7pnOGv0Hm5mSFoZeu+1G3OvVdt9ANSlW4tm8Xi0/sSysXMrBdTNf12CGX/z/LN2Rgw4T3H+kv8Qtyo7OKtH+vQn4j4gvB0hrZZ0S54= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784861555; c=relaxed/simple; bh=Ekqn6Vr2DTS7q4drOMD2+LjCVPy4AzJEvfOr8nJ5yno=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=UaeUufmNRaDrgbgiUYRzwTQptNJtoFqfXoOVu0Mhc9JWjh2qV0bfrN5eKTXa2qc3Wi7obra++Hf5oyAeXvq6MrVZsC4B2qfqgdfQHESaeR4U9tOs5eOYcuzgjS5P6+Ft5WMKWxxxVdbZ6fZIPKcXr4Kw8d95jhsVWbaaHLH/PU4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 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: b16957ea870a11f1aa26b74ffac11d73-20260724 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:408f0e48-7eb1-4dc0-913b-8283e6713ee4,IP:0,U RL:0,TC:0,Content:-5,EDM:25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:20 X-CID-META: VersionHash:e7bac3a,CLOUDID:aad63617276c5785315d5f1339e290f2,BulkI D:nil,BulkQuantity:0,Recheck:0,SF:102|136|850|865|898,TC:nil,Content:0|15| 50,EDM:5,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI: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: b16957ea870a11f1aa26b74ffac11d73-20260724 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 317950270; Fri, 24 Jul 2026 10:52:22 +0800 From: Chen Changcheng To: mchehab@kernel.org, kees@kernel.org Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Chen Changcheng Subject: [PATCH] media: cx88: fix memory leak in cx8802_register_driver() error path Date: Fri, 24 Jul 2026 10:52:18 +0800 Message-Id: <20260724025218.32318-1-chenchangcheng@kylinos.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 Content-Type: text/plain; charset="utf-8" In cx8802_register_driver(), when drv->probe(driver) fails (non-zero), the allocated cx8802_driver struct is freed neither in the else branch nor later in cx8802_unregister_driver() (which only frees entries that were added to dev->drvlist on success). Each failed probe leaks the driver struct. Add kfree(driver) in the else branch to fix the leak. Signed-off-by: Chen Changcheng --- drivers/media/pci/cx88/cx88-mpeg.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/pci/cx88/cx88-mpeg.c b/drivers/media/pci/cx88/cx= 88-mpeg.c index 676160e9554d..ae81bd26e4a0 100644 --- a/drivers/media/pci/cx88/cx88-mpeg.c +++ b/drivers/media/pci/cx88/cx88-mpeg.c @@ -640,6 +640,7 @@ int cx8802_register_driver(struct cx8802_driver *drv) list_add_tail(&driver->drvlist, &dev->drvlist); } else { pr_err("cx8802 probe failed, err =3D %d\n", err); + kfree(driver); } mutex_unlock(&drv->core->lock); } --=20 2.25.1