KVM: Fix KVM_SET_SIGNAL_MASK with arg == NULL

When the user passed in a NULL mask pass this on from the ioctl
handler.

Found by gcc 4.6's new warnings.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 78ed71ad6aa1..84a090644d9d 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1547,7 +1547,7 @@ out_free2:
                                 goto out;
                         p = &sigset;
                 }
-                r = kvm_vcpu_ioctl_set_sigmask(vcpu, &sigset);
+                r = kvm_vcpu_ioctl_set_sigmask(vcpu, p);
                 break;
         }
         case KVM_GET_FPU: {