linux-kernel - [patch 7/17] use WARN() in kernel/lockdep.c

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Date:	Tue, 8 Jul 2008 09:47:26 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org
Cc:	akpm@...ux-foundation.org, mingo@...e.hu
Subject: [patch 7/17] use WARN() in kernel/lockdep.c

From: Arjan van de Ven <arjan@...ux.intel.com>
Subject: Use WARN instead of printk+WARN_ON in kernel/lockdep.c

Use WARN() instead of a printk+WARN_ON() pair; this way the message
becomes part of the warning section for better reporting/collection.

Signed-off-by: Arjan van de Ven <arjan@...ux.intel.com>
---
 kernel/lockdep.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Index: linux.trees.git/kernel/lockdep.c
===================================================================
--- linux.trees.git.orig/kernel/lockdep.c
+++ linux.trees.git/kernel/lockdep.c
@@ -1643,11 +1643,10 @@ static void check_chain_key(struct task_
 		hlock = curr->held_locks + i;
 		if (chain_key != hlock->prev_chain_key) {
 			debug_locks_off();
-			printk("hm#1, depth: %u [%u], %016Lx != %016Lx\n",
+			WARN(1, "hm#1, depth: %u [%u], %016Lx != %016Lx\n",
 				curr->lockdep_depth, i,
 				(unsigned long long)chain_key,
 				(unsigned long long)hlock->prev_chain_key);
-			WARN_ON(1);
 			return;
 		}
 		id = hlock->class - lock_classes;
@@ -1662,11 +1661,10 @@ static void check_chain_key(struct task_
 	}
 	if (chain_key != curr->curr_chain_key) {
 		debug_locks_off();
-		printk("hm#2, depth: %u [%u], %016Lx != %016Lx\n",
+		WARN(1, "hm#2, depth: %u [%u], %016Lx != %016Lx\n",
 			curr->lockdep_depth, i,
 			(unsigned long long)chain_key,
 			(unsigned long long)curr->curr_chain_key);
-		WARN_ON(1);
 	}
 #endif
 }
--
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