[PATCH v7 09/16] lockdep: Fix incorrect condition to print bug msgs for MAX_LOCKDEP_CHAIN_HLOCKS

From	Byungchul Park <byungchul.park@lge.com>
Newsgroups	linux.kernel
Subject	[PATCH v7 09/16] lockdep: Fix incorrect condition to print bug msgs for MAX_LOCKDEP_CHAIN_HLOCKS
Date	2017-05-24 11:10 +0200
Message-ID	<tKAsP-ma-37@gated-at.bofh.it> (permalink)
References	<tKAsO-ma-13@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Bug messages and stack dump for MAX_LOCKDEP_CHAIN_HLOCKS should be
printed only once.

Signed-off-by: Byungchul Park <byungchul.park@lge.com>
---
 kernel/locking/lockdep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index a14d2ca..8173c81 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -2267,7 +2267,7 @@ static inline int add_chain_cache(struct task_struct *curr,
 	 * Important for check_no_collision().
 	 */
 	if (unlikely(nr_chain_hlocks > MAX_LOCKDEP_CHAIN_HLOCKS)) {
-		if (debug_locks_off_graph_unlock())
+		if (!debug_locks_off_graph_unlock())
 			return 0;
 
 		print_lockdep_off("BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!");
-- 
1.9.1

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[PATCH v7 09/16] lockdep: Fix incorrect condition to print bug msgs for MAX_LOCKDEP_CHAIN_HLOCKS Byungchul Park <byungchul.park@lge.com> - 2017-05-24 11:10 +0200

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