[PATCH] cleanup smp_call_function UP build

[Con Kolivas <kernel@kolivas.org>]

Fix for compiler warnings on UP builds:
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>

 include/linux/smp.h |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Index: linux-2.6.16-ck1/include/linux/smp.h
===================================================================
--- linux-2.6.16-ck1.orig/include/linux/smp.h	2006-03-21 15:55:29.000000000 +1100
+++ linux-2.6.16-ck1/include/linux/smp.h	2006-03-21 15:59:09.000000000 +1100
@@ -93,7 +93,11 @@ 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)	({ func(info); 0; })
 static inline void smp_send_reschedule(int cpu) { }
 #define num_booting_cpus()			1
-
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