x86, NMI: Add to_cpumask() to silence compile warning

Gcc complains if we don't cast this to a struct cpumask pointer.
arch/x86/kernel/nmi_selftest.c:93:2:

	warning: passing argument 1 of ‘cpumask_empty’ from
	incompatible pointer type [enabled by default]

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Don Zickus <dzickus@redhat.com>
Link: http://lkml.kernel.org/r/20111207110612.GA3437@mwanda
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/nmi_selftest.c b/arch/x86/kernel/nmi_selftest.c
index 1e42a23c1f2a766dbf3ced1a0db605d4b4a7b0a6..0d01a8ea4e1108acf427fa8bfcbf6e686d4b58ef 100644 (file)
--- a/arch/x86/kernel/nmi_selftest.c
+++ b/arch/x86/kernel/nmi_selftest.c
@@ -90,7 +90,7 @@ static void remote_ipi(void)
 {
        cpumask_copy(to_cpumask(nmi_ipi_mask), cpu_online_mask);
        cpumask_clear_cpu(smp_processor_id(), to_cpumask(nmi_ipi_mask));
-       if (!cpumask_empty(nmi_ipi_mask))
+       if (!cpumask_empty(to_cpumask(nmi_ipi_mask)))
                test_nmi_ipi(to_cpumask(nmi_ipi_mask));
 }