Commit-ID:  f9af456a61ecfbef8233c5046a9e347c9b98ba05
Gitweb:     http://git.kernel.org/tip/f9af456a61ecfbef8233c5046a9e347c9b98ba05
Author:     Byungchul Park <byungchul.p...@lge.com>
AuthorDate: Fri, 13 Jan 2017 11:42:04 +0900
Committer:  Ingo Molnar <mi...@kernel.org>
CommitDate: Fri, 10 Feb 2017 09:09:48 +0100

lockdep: Fix incorrect condition to print bug msgs for MAX_LOCKDEP_CHAIN_HLOCKS

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

Signed-off-by: Byungchul Park <byungchul.p...@lge.com>
Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Sasha Levin <sasha.le...@oracle.com>
Cc: Thomas Gleixner <t...@linutronix.de>
Link: 
http://lkml.kernel.org/r/1484275324-28192-1-git-send-email-byungchul.p...@lge.com
Signed-off-by: Ingo Molnar <mi...@kernel.org>
---
 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 7c38f8f..bf60725 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -2203,7 +2203,7 @@ cache_hit:
         * 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!");

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