From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.4]) (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 6C49A43DA3A for ; Wed, 29 Jul 2026 08:26:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785313605; cv=none; b=r/1JCiiNpab3ShF8bxd8lPcS4oua4lgOcCHRdtO51TPOuXmFdxJZel0yDePktupe1cXi8UFc+C0YkYfucq+uAkeC5xgODuTOXoRP9JhZKnZxVXAkYBuaE/SvJFJzid/htjO9r99xOzG0kryI7pmpPmFJDcPpdKFgWFF2vVgzoqY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785313605; c=relaxed/simple; bh=NRr/PPKE2tayn33AWBxWRxD9ZfM4ROw+JKEoMSSaRd0=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=USXcVw81vMqnSS4F8IYvEUL9MkX7VlNbaVmaI+n4iQ348CiupXKUqlLd/dm8YeSMU94xx6//zaxGQgs7e6NvJfn0bQU7NYmtDmiMeQZaSGZobin26htTWiKogf0f7/R9Cq4flzN4AnTr9tGHgh5zvYiDkYsJspkHdAgsj5pnYfo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=pfS0RhGt; arc=none smtp.client-ip=220.197.31.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="pfS0RhGt" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=40 rBicJUszC8qh3xVLhwtMRSZ+FMA7+omUBnS/S45hA=; b=pfS0RhGtZ7iGy+R1UA 2TlqoFnffPofK0+EyEmJRzA5h7pIPNTg1DsvLNCSJ11tQGxSU1dP2pn7nlhprf7N +JKhRqbPfE+MXwoLjU6eTxV/lLSGTtl3TaAKX18eUOfK6JkwvIbeBRw5L9P2G6Qh gBs7CbH0Knhrkzt+l/M5p8w4M= Received: from localhost.localdomain (unknown []) by gzga-smtp-mtada-g0-1 (Coremail) with SMTP id _____wD3X_4puWlqssxQLw--.22578S2; Wed, 29 Jul 2026 16:26:19 +0800 (CST) From: zhangchen200426@163.com To: luiz.von.dentz@intel.com, michael.bommarito@gmail.com, kees@kernel.org Cc: linux-bluetooth@vger.kernel.org, Chen Zhang Subject: [PATCH] Bluetooth: virtio_bt: Fix memory leak in virtbt_probe Date: Wed, 29 Jul 2026 16:26:15 +0800 Message-Id: <20260729082615.308918-1-zhangchen200426@163.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_____wD3X_4puWlqssxQLw--.22578S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrurW3urW5Jryktw1Uuw1Utrb_yoWftFg_C3 WfZ347Zr1DGF18u3W8Cry5ZrWay3WrWF4kWwnaqas3W34DCr17Xa42qr1DAF17WrWUKr1U Aws8XrsxCw4fCjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU8Hq2tUUUUU== X-CM-SenderInfo: x2kd0whfkh0jaqqujli6rwjhhfrp/xtbCwAttCmppuSu6awAA3s From: Chen Zhang In virtbt_probe, if virtio_find_vqs fails, it will return directly, causing a memory leak in vbt. Signed-off-by: Chen Zhang --- drivers/bluetooth/virtio_bt.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/virtio_bt.c b/drivers/bluetooth/virtio_bt.c index 140ab55c9fc5..5ca163f8ea70 100644 --- a/drivers/bluetooth/virtio_bt.c +++ b/drivers/bluetooth/virtio_bt.c @@ -311,7 +311,7 @@ static int virtbt_probe(struct virtio_device *vdev) err = virtio_find_vqs(vdev, VIRTBT_NUM_VQS, vbt->vqs, vqs_info, NULL); if (err) - return err; + goto alloc_vqs_failed; hdev = hci_alloc_dev(); if (!hdev) { @@ -400,6 +400,8 @@ static int virtbt_probe(struct virtio_device *vdev) hci_free_dev(hdev); failed: vdev->config->del_vqs(vdev); +alloc_vqs_failed: + kfree(vbt); return err; } -- 2.25.1