We don't free map during vhost_map_unprefetch(). This means it could
be leaked. Fixing by free the map.
Reported-by: Michael S. Tsirkin <m...@redhat.com>
Fixes: 7f466032dc9e ("vhost: access vq metadata through kernel virtual address")
Signed-off-by: Jason Wang <jasow...@redhat.com>
---
drivers/vhost/vhost.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 058191d5efad..03666b702498 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -303,9 +303,7 @@ static void vhost_vq_meta_reset(struct vhost_dev *d)
static void vhost_map_unprefetch(struct vhost_map *map)
{
kfree(map->pages);
- map->pages = NULL;
- map->npages = 0;
- map->addr = NULL;
+ kfree(map);
}
static void vhost_uninit_vq_maps(struct vhost_virtqueue *vq)
--
2.18.1
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