[PATCH] cleanup smp_call_function UP build

net/core/flow.c: In function 'flow_cache_flush':
net/core/flow.c:299: warning: statement with no effect

Signed-off-by: Con Kolivas <kernel@kolivas.org>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/include/linux/smp.h b/include/linux/smp.h
index d699a16b0cb2..e2fa3ab4afc5 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -82,7 +82,11 @@ void smp_prepare_boot_cpu(void);
  */
 #define raw_smp_processor_id()                  0
 #define hard_smp_processor_id()                 0
-#define smp_call_function(func,info,retry,wait) ({ 0; })
+static inline int up_smp_call_function(void)
+{
+        return 0;
+}
+#define smp_call_function(func,info,retry,wait) (up_smp_call_function())
 #define on_each_cpu(func,info,retry,wait)       \
         ({                                      \
                 local_irq_disable();            \