Messages in this thread Patch in this message | | | From | Tiwei Bie <> | Subject | [PATCH] virtio_ring: fix num_free handling in error case | Date | Fri, 23 Feb 2018 19:41:30 +0800 |
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The vq->vq.num_free hasn't been changed when error happens, so it shouldn't be changed when handling the error.
Fixes: 780bc7903a32 ("virtio_ring: Support DMA APIs") Cc: Andy Lutomirski <luto@kernel.org> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Tiwei Bie <tiwei.bie@intel.com> --- drivers/virtio/virtio_ring.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index eb30f3e09a47..71458f493cf8 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -428,8 +428,6 @@ static inline int virtqueue_add(struct virtqueue *_vq, i = virtio16_to_cpu(_vq->vdev, vq->vring.desc[i].next); } - vq->vq.num_free += total_sg; - if (indirect) kfree(desc); -- 2.11.0
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