Messages in this thread Patch in this message | | | From | Wei Yongjun <> | Subject | [PATCH -next v2] virtio: fix possible memory leak in virtqueue_add() | Date | Tue, 2 Aug 2016 14:16:31 +0000 |
| |
'desc' is malloced in virtqueue_add() and should be freed before leaving from the error handling cases, otherwise it will cause memory leak.
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com> --- drivers/virtio/virtio_ring.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 114a0c8..e4be912 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -328,6 +328,8 @@ static inline int virtqueue_add(struct virtqueue *_vq, if (out_sgs) vq->notify(&vq->vq); END_USE(vq); + if (indirect) + kfree(desc); return -ENOSPC; }
| |