28 lines
786 B
Diff
28 lines
786 B
Diff
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# HG changeset patch
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# User Keir Fraser <keir.fraser@citrix.com>
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# Date 1284535133 -3600
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# Node ID 62edd2611cbbe4c50574b6f6f73dda2ae1136dde
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# Parent 869a0fdf8686c3dada14122df6d22a38705c2401
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notify_via_xen_event_channel() should check for dying domain.
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Else we can fail on either ASSERTion in that function.
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From: Olaf Hering <olaf@aepfle.de>
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Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
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--- a/xen/common/event_channel.c
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+++ b/xen/common/event_channel.c
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@@ -994,6 +994,12 @@ void notify_via_xen_event_channel(struct
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spin_lock(&ld->event_lock);
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+ if ( unlikely(ld->is_dying) )
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+ {
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+ spin_unlock(&ld->event_lock);
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+ return;
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+ }
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+
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ASSERT(port_is_valid(ld, lport));
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lchn = evtchn_from_port(ld, lport);
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ASSERT(lchn->consumer_is_xen);
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