linux-kernel - [PATCH] Move an assert under DEBUG

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Message-ID: <4D77F309.2030101@parallels.com>
Date:	Wed, 9 Mar 2011 15:37:13 -0600
From:	Rob Landley <rlandley@...allels.com>
To:	LKML <linux-kernel@...r.kernel.org>
CC:	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Patrick McHardy <kaber@...sh.net>,
	Andy Whitcroft <apw@...onical.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] Move an assert under DEBUG_KERNEL.

From: Rob Landley <rlandley@...allels.com>

Move an assert under DEBUG_KERNEL.  (Minor cleanup, saves about 3k for me.)

Signed-off-by: Rob Landley <rlandley@...allels.com>
---

Note: I looked for a better config symbol than DEBUG_KERNEL but there
isn't currently a relevant DEBUG_NET variant and this doesn't seem
big enough to add one.  DEBUG_KERNEL is already used directly in
powerpc, parisc, and blackfin anyway.

 include/linux/rtnetlink.h |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index bbad657..28c4025 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -782,6 +782,7 @@ extern struct netdev_queue *dev_ingress_queue_create(struct net_device *dev);
 extern void rtnetlink_init(void);
 extern void __rtnl_unlock(void);
 
+#ifdef CONFIG_DEBUG_KERNEL
 #define ASSERT_RTNL() do { \
 	if (unlikely(!rtnl_is_locked())) { \
 		printk(KERN_ERR "RTNL: assertion failed at %s (%d)\n", \
@@ -789,6 +790,9 @@ extern void __rtnl_unlock(void);
 		dump_stack(); \
 	} \
 } while(0)
+#else
+#define ASSERT_RTNL()
+#endif
 
 static inline u32 rtm_get_table(struct rtattr **rta, u8 table)
 {
--
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