af027449ce
OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=57fc5c74eb69b67a87b8330bd3592db8
24 lines
849 B
Diff
24 lines
849 B
Diff
# HG changeset patch
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# User Keir Fraser <keir.fraser@citrix.com>
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# Date 1275040447 -3600
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# Node ID 96917cf25bf3ad42c6b6cddb7ff4f03857ae9619
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# Parent 95acf74586d782d8d4d39016b3426a1eae127e97
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x86: Fix guest-pointer-array memmove in __pirq_guest_unbind().
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Thanks to Alex Zefefrt for finding this.
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Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
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--- a/xen/arch/x86/irq.c
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+++ b/xen/arch/x86/irq.c
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@@ -1242,7 +1242,8 @@ static irq_guest_action_t *__pirq_guest_
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for ( i = 0; (i < action->nr_guests) && (action->guest[i] != d); i++ )
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continue;
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BUG_ON(i == action->nr_guests);
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- memmove(&action->guest[i], &action->guest[i+1], IRQ_MAX_GUESTS-i-1);
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+ memmove(&action->guest[i], &action->guest[i+1],
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+ (action->nr_guests-i-1) * sizeof(action->guest[0]));
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action->nr_guests--;
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switch ( action->ack_type )
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