[PATCH -next] drbd: trace depends on TRACING

[Randy Dunlap <randy.dunlap@oracle.com>]

From: Randy Dunlap <randy.dunlap@oracle.com>

DRBD_TRACE should depend on TRACING.
It's also possible that TRACEPOINTS should depend on TRACING.

arch/x86/built-in.o: In function `default_idle':
(.text+0x145a1): undefined reference to `__tracepoint_power_start'
arch/x86/built-in.o: In function `default_idle':
(.text+0x145d4): undefined reference to `__tracepoint_power_start'
arch/x86/built-in.o: In function `mwait_idle_with_hints':
(.text+0x1583d): undefined reference to `__tracepoint_power_start'
arch/x86/built-in.o: In function `mwait_idle_with_hints':
(.text+0x15870): undefined reference to `__tracepoint_power_start'
arch/x86/built-in.o: In function `mwait_idle':
process.c:(.text+0x15b92): undefined reference to `__tracepoint_power_start'
arch/x86/built-in.o:process.c:(.text+0x15bbe): more undefined references to `__tracepoint_power_start' follow
arch/x86/built-in.o: In function `poll_idle':
process.c:(.text+0x160bd): undefined reference to `__tracepoint_power_end'
process.c:(.text+0x160e9): undefined reference to `__tracepoint_power_end'
drivers/built-in.o: In function `cpuidle_idle_call':
cpuidle.c:(.text+0x517f16): undefined reference to `__tracepoint_power_end'
cpuidle.c:(.text+0x517f49): undefined reference to `__tracepoint_power_end'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
---
 drivers/block/drbd/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20090925.orig/drivers/block/drbd/Kconfig
+++ linux-next-20090925/drivers/block/drbd/Kconfig
@@ -40,7 +40,7 @@ config BLK_DEV_DRBD
 
 config DRBD_TRACE
 	tristate "DRBD tracing"
-	depends on BLK_DEV_DRBD
+	depends on BLK_DEV_DRBD && TRACING
 	select TRACEPOINTS
 	default n
 	help