From 7c59cc9cf729092512b88ccd3290b2fd0c7e53c4 Mon Sep 17 00:00:00 2001 From: Maurice Hieronymus Date: Sun, 23 Nov 2025 18:57:48 +0100 Subject: [PATCH] virtio-balloon: Destroy mutex before freeing virtio_balloon Add a call to mutex_destroy in the error code path as well as in the virtballoon_remove code path. Signed-off-by: Maurice Hieronymus Acked-by: David Hildenbrand (Red Hat) Signed-off-by: Michael S. Tsirkin Message-ID: <20251123175750.445461-2-mhi@mailbox.org> --- drivers/virtio/virtio_balloon.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index f6c2dff33f8a..088b3a0e6ce6 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -1075,6 +1075,7 @@ static int virtballoon_probe(struct virtio_device *vdev) out_del_vqs: vdev->config->del_vqs(vdev); out_free_vb: + mutex_destroy(&vb->balloon_lock); kfree(vb); out: return err; @@ -1119,6 +1120,7 @@ static void virtballoon_remove(struct virtio_device *vdev) } remove_common(vb); + mutex_destroy(&vb->balloon_lock); kfree(vb); }