KVM: fix i8259 oops when no vcpus are online

If there are no vcpus, found will be NULL. Check before doing anything with it. Signed-off-by: Avi Kivity <avi@redhat.com>
2010-07-27 14:51:44 +03:00 · 2010-07-27 14:51:44 +03:00 · ae0635b358
parent 16518d5ada
commit ae0635b358
1 changed files with 3 additions and 0 deletions
--- 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);
 	}
 }