[PATCH 4.14 088/140] virtio_ring: fix num_free handling in error case

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Tiwei Bie commit e82df670235138575b37ff0ec24412a471efd97f upstream. The vq->vq.num_free hasn't been changed when error happens, so it shouldn't be changed when handling

[PATCH 4.14 088/140] virtio_ring: fix num_free handling in error case

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Tiwei Bie commit e82df670235138575b37ff0ec24412a471efd97f upstream. The vq->vq.num_free hasn't been changed when error happens, so it shouldn't be changed when handling the error. Fixes: