| commit | 58a83c61496eeb0d31571a07a51bc1947e3379ac | |
| author | Stefan Hajnoczi <stefanha@redhat.com> | |
| Mon, 15 Aug 2016 12:54:16 +0000 (15 13:54 +0100) | ||
| committer | Michael S. Tsirkin <mst@redhat.com> | |
| Tue, 23 Aug 2016 16:20:24 +0000 (23 19:20 +0300) | ||
| tree | ed98b38e087ad78bc1dad8162a75457c501b346f | treesnapshot (tar.gz zip) |
| parent | bccdef6b1a204db0f41ffb6e24ce373e4d7890d4 | commitdiff |
virtio: decrement vq->inuse in virtqueue_discard()
virtqueue_discard() moves vq->last_avail_idx back so the element can be
popped again. It's necessary to decrement vq->inuse to avoid "leaking"
the element count.
Cc: qemu-stable@nongnu.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
virtqueue_discard() moves vq->last_avail_idx back so the element can be
popped again. It's necessary to decrement vq->inuse to avoid "leaking"
the element count.
Cc: qemu-stable@nongnu.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| hw/virtio/virtio.c | diffblobblamehistory |