From nobody Mon Feb 9 08:30:20 2026 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (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 34BB12C11E7; Sat, 3 Jan 2026 07:46:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767426418; cv=none; b=vCePBtfNMrv7YwsaPuEkfhwUD+JrOnLIDUNi++83seQ+Wzz6nyrvrnpK0oSJ31K5LWQdUzFwTg6+Ob9KxSAuIxFiXXnY654ouJSAsBe3odQeVqjPRNpyrzT+X2uwrvmbbpoCWW8wUt89eEvdUgAhPEPiJxbu4BLMD7vUz0jKqvE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767426418; c=relaxed/simple; bh=mPXMBk7/bn+d0qFNKVBd6RJ70lj2OHq587ZEwdNDgbw=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=K0o4UhdmPTaDM8MF83dT8m0wgFwDnxQFH+lG+TmD9sIWElX6e+eX9YeOUJw1sUJTioNKopZqK8tgxWa5n3uBMPKheuTA+awd01+B70+vJzIf4vkxP0y+wtuwzPwMB4U1GwWUyICCMH464A5xLU4uJWbykkucJeZieYeFal8S+Uk= 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=159.226.251.81 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 [36.112.3.223]) by APP-03 (Coremail) with SMTP id rQCowADH4dhpyVhpAe0rAw--.57933S2; Sat, 03 Jan 2026 15:46:50 +0800 (CST) From: Haoxiang Li To: mchehab@kernel.org Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Haoxiang Li Subject: [PATCH] media: cx25821: Fix a resource leak in cx25821_dev_setup() Date: Sat, 3 Jan 2026 15:46:47 +0800 Message-Id: <20260103074647.1941895-1-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: rQCowADH4dhpyVhpAe0rAw--.57933S2 X-Coremail-Antispam: 1UD129KBjvdXoWruw15Gw45Ar4kJr4DXw4ruFg_yoWfJFXEga n8u3y7WrW5Gr1DKw4xtF1F93yUta98Xr4fX3WfKFy5Ary0qFWDJr90vwn8J3yDZFsrZryr Cr1xWFy7Cr4kAjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbw8FF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6r1S6rWUM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Jr0_ Gr1l84ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Jr0_Gr 1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0 cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8Jw ACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1l42xK82IYc2Ij64vIr41l 4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67 AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8I cVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE42xK8VAvwI 8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v2 6r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x0JUywZ7UUUUU= X-CM-SenderInfo: 5olkt0x0ld0ww6lv2u4olvutnvoduhdfq/1tbiBwoQE2lYs80cZgAAs7 Content-Type: text/plain; charset="utf-8" Add release_mem_region() if ioremap() fails to release the memory region obtained by cx25821_get_resources(). Signed-off-by: Haoxiang Li --- drivers/media/pci/cx25821/cx25821-core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/c= x25821/cx25821-core.c index 6627fa9166d3..a7336be44474 100644 --- a/drivers/media/pci/cx25821/cx25821-core.c +++ b/drivers/media/pci/cx25821/cx25821-core.c @@ -908,6 +908,7 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) =20 if (!dev->lmmio) { CX25821_ERR("ioremap failed, maybe increasing __VMALLOC_RESERVE in page.= h\n"); + release_mem_region(dev->base_io_addr, pci_resource_len(dev->pci, 0)); cx25821_iounmap(dev); return -ENOMEM; } --=20 2.25.1