linux-kernel - [PATCH 9/9] Avoid 'statement with no effect' compiler warnings

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Message-Id: <1351980150-24145-10-git-send-email-lee.jones@linaro.org>
Date:	Sat,  3 Nov 2012 23:02:30 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-kernel@...r.kernel.org
Cc:	Lee Jones <lee.jones@...aro.org>,
	Stephen Hemminger <shemminger@...tta.com>,
	bridge@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: [PATCH 9/9] Avoid 'statement with no effect' compiler warnings

Instead of issuing (0) statements when !CONFIG_SYSFS which will cause
'warning: ', we'll use inline statements instead. This will effectively
do the same thing, but suppress any unnecessary warnings.

Cc: Stephen Hemminger <shemminger@...tta.com>
Cc: bridge@...ts.linux-foundation.org
Cc: netdev@...r.kernel.org
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 net/bridge/br_private.h |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 9b278c4..af5f584 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -566,10 +566,10 @@ extern void br_sysfs_delbr(struct net_device *dev);
 
 #else
 
-#define br_sysfs_addif(p)	(0)
-#define br_sysfs_renameif(p)	(0)
-#define br_sysfs_addbr(dev)	(0)
-#define br_sysfs_delbr(dev)	do { } while(0)
+static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; }
+static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; }
+static inline int br_sysfs_addbr(struct net_device *dev) { return 0; }
+static inline void br_sysfs_delbr(struct net_device *dev) { return; }
 #endif /* CONFIG_SYSFS */
 
 #endif
-- 
1.7.9.5

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