* [PATCH] KVM: fix i8259 oops when no vcpus are online
@ 2010-08-30 9:49 Avi Kivity
0 siblings, 0 replies; only message in thread
From: Avi Kivity @ 2010-08-30 9:49 UTC (permalink / raw)
To: Marcelo Tosatti, kvm
If there are no vcpus, found will be NULL. Check before doing anything with
it.
Signed-off-by: Avi Kivity <avi@redhat.com>
---
arch/x86/kvm/i8259.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c
index 5de9ee0..5662ff6 100644
--- a/arch/x86/kvm/i8259.c
+++ b/arch/x86/kvm/i8259.c
@@ -64,6 +64,9 @@ static void pic_unlock(struct kvm_pic *s)
if (!found)
found = s->kvm->bsp_vcpu;
+ if (!found)
+ return;
+
kvm_vcpu_kick(found);
}
}
--
1.7.1
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