---

yaml --- r: 109848 b: refs/heads/master c: 45e9c0d h: refs/heads/master v: v3
git-mirror · Sep 17, 2008 · d0118f0 · d0118f0
1 parent e625a9c
commit d0118f0
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Showing 3 changed files with 12 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c8b0f4382cd7b5e58b17bd30d16898b7f249813c
+refs/heads/master: 45e9c0de2e86485f8b6633fd64ab19cfbff167f6
diff --git a/trunk/include/asm-generic/bug.h b/trunk/include/asm-generic/bug.h
@@ -97,6 +97,16 @@ extern void warn_slowpath(const char *file, const int line,
 	unlikely(__ret_warn_once);				\
 })
 
+#define WARN_ONCE(condition, format...)	({			\
+	static int __warned;					\
+	int __ret_warn_once = !!(condition);			\
+								\
+	if (unlikely(__ret_warn_once))				\
+		if (WARN(!__warned, format)) 			\
+			__warned = 1;				\
+	unlikely(__ret_warn_once);				\
+})
+
 #define WARN_ON_RATELIMIT(condition, state)			\
 		WARN_ON((condition) && __ratelimit(state))
 

diff --git a/trunk/net/sched/sch_generic.c b/trunk/net/sched/sch_generic.c
@@ -215,10 +215,9 @@ static void dev_watchdog(unsigned long arg)
 			    time_after(jiffies, (dev->trans_start +
 						 dev->watchdog_timeo))) {
 				char drivername[64];
-				printk(KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit timed out\n",
+				WARN_ONCE(1, KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit timed out\n",
 				       dev->name, netdev_drivername(dev, drivername, 64));
 				dev->tx_timeout(dev);
-				WARN_ON_ONCE(1);
 			}
 			if (!mod_timer(&dev->watchdog_timer,
 				       round_jiffies(jiffies +