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authorByungchul Park <byungchul.park@lge.com>2017-01-13 11:42:04 +0900
committerIngo Molnar <mingo@kernel.org>2017-02-10 09:09:48 +0100
commitf9af456a61ecfbef8233c5046a9e347c9b98ba05 (patch)
tree5619c1f7e8350f124ab5b192aee7035462181a78 /kernel
parentff86b30010eee8249dc244ce1868b886bbee6449 (diff)
downloadlinux-f9af456a61ecfbef8233c5046a9e347c9b98ba05.tar.bz2
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.park@lge.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sasha Levin <sasha.levin@oracle.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1484275324-28192-1-git-send-email-byungchul.park@lge.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/locking/lockdep.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 7c38f8f3d97b..bf6072524756 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!");