Commit 84a139a9 authored by Marcelo Tosatti's avatar Marcelo Tosatti Committed by Rusty Russell

virtio: fix suspend when using virtio_balloon

Break out of wait_event_interruptible() if freezing has been requested,
in the vballoon thread. Without this change vballoon refuses to stop and
the system can't suspend.
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
parent a489f0b5
...@@ -190,7 +190,8 @@ static int balloon(void *_vballoon) ...@@ -190,7 +190,8 @@ static int balloon(void *_vballoon)
try_to_freeze(); try_to_freeze();
wait_event_interruptible(vb->config_change, wait_event_interruptible(vb->config_change,
(diff = towards_target(vb)) != 0 (diff = towards_target(vb)) != 0
|| kthread_should_stop()); || kthread_should_stop()
|| freezing(current));
if (diff > 0) if (diff > 0)
fill_balloon(vb, diff); fill_balloon(vb, diff);
else if (diff < 0) else if (diff < 0)
......
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