smc91x: fix unused flags warnings on UP systems

Local flags variables will be declared whenever these functions get used,
but obviously on UP systems the flags parameter won't be touched.  So add
some dummy ops that get optimized away anyways to satisfy gcc's warnings.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index ae4983a5127dba33093a5e4d84670202ec3f2bf0..b0c92b60c925cb2f99f1a46b19284cf8436c141a 100644 (file)
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -534,9 +534,9 @@ static inline void  smc_rcv(struct net_device *dev)
 #define smc_special_lock(lock, flags)          spin_lock_irqsave(lock, flags)
 #define smc_special_unlock(lock, flags)        spin_unlock_irqrestore(lock, flags)
 #else
-#define smc_special_trylock(lock, flags)       (1)
-#define smc_special_lock(lock, flags)          do { } while (0)
-#define smc_special_unlock(lock, flags)        do { } while (0)
+#define smc_special_trylock(lock, flags)       (flags == flags)
+#define smc_special_lock(lock, flags)          do { flags = 0; } while (0)
+#define smc_special_unlock(lock, flags)        do { flags = 0; } while (0)
 #endif
 
 /*