Check exit conditions before entering blocking aio_poll().  This is
mainly for consistency since it's unlikely that we are stopping in the
first event loop iteration.

Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
---
 hw/block/dataplane/virtio-blk.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c
index 0356665..0509d3f 100644
--- a/hw/block/dataplane/virtio-blk.c
+++ b/hw/block/dataplane/virtio-blk.c
@@ -379,9 +379,9 @@ static void *data_plane_thread(void *opaque)
 {
     VirtIOBlockDataPlane *s = opaque;
 
-    do {
+    while (!s->stopping || s->num_reqs > 0) {
         aio_poll(s->ctx, true);
-    } while (!s->stopping || s->num_reqs > 0);
+    }
     return NULL;
 }
 
-- 
1.8.1.4


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