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| author | Avi Kivity <avi@redhat.com> | 2010-07-27 13:51:44 +0200 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-09-08 19:50:56 +0200 |
| commit | ae0635b3580844e320a253a16985f4ce8b5bd0b6 (patch) | |
| tree | cbb5d9c113a9b69cb6438664f7eed1137b6f3fdf /arch/x86 | |
| parent | KVM: x86 emulator: fix regression with cmpxchg8b on i386 hosts (diff) | |
| download | linux-ae0635b3580844e320a253a16985f4ce8b5bd0b6.tar.xz linux-ae0635b3580844e320a253a16985f4ce8b5bd0b6.zip | |
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>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | 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 8d10c063d7f2..4b7b73ce2098 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); } } |