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KVM: fix i8259 oops when no vcpus are online

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If there are no vcpus, found will be NULL.  Check before doing anything with
it.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2010-07-27 14:51:44 +03:00 • committed by Marcelo Tosatti
commit ae0635b358
1 changed files with 3 additions and 0 deletions

3
arch/x86/kvm/i8259.c
View file

@ -64,6 +64,9 @@ static void pic_unlock(struct kvm_pic *s)
if (!found) if (!found)
found = s->kvm->bsp_vcpu; found = s->kvm->bsp_vcpu;
if (!found)
return;
kvm_vcpu_kick(found); kvm_vcpu_kick(found);
} }
} }