x86: avoid build warning

fix this build warning:

 include/asm/topology_32.h: In function 'node_to_first_cpu':
 include/asm/topology_32.h:66: warning: unused variable 'mask'

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 85bd790c201..7047f58306a 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -218,8 +218,8 @@ int __first_cpu(const cpumask_t *srcp);
 int __next_cpu(int n, const cpumask_t *srcp);
 #define next_cpu(n, src) __next_cpu((n), &(src))
 #else
-#define first_cpu(src)          0
-#define next_cpu(n, src)        1
+#define first_cpu(src)          ({ (void)(src); 0; })
+#define next_cpu(n, src)        ({ (void)(src); 1; })
 #endif
 
 #define cpumask_of_cpu(cpu)                                             \