[PATCH] Bluetooth: virtio_bt: Fix memory leak in virtbt_probe

[email protected] Wed, 29 Jul 2026 16:26:15 +0800
Newsgroups org.kernel.vger.linux-bluetooth
Message-ID <[email protected]>
From: Chen Zhang <[email protected]>

In virtbt_probe, if virtio_find_vqs fails, it will return
directly, causing a memory leak in vbt.

Signed-off-by: Chen Zhang <[email protected]>
---
 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