[tip:locking/core] locking/lockdep: Remove unnecessary DEBUG_LOCKS_WARN_ON()

From: tip-bot for Kobe Wu
Date: Mon Jun 17 2019 - 10:23:17 EST


Commit-ID: dd471efe345bf6f9e1206f6c629ca3e80eb43523
Gitweb: https://git.kernel.org/tip/dd471efe345bf6f9e1206f6c629ca3e80eb43523
Author: Kobe Wu <kobe-cp.wu@xxxxxxxxxxxx>
AuthorDate: Thu, 30 May 2019 19:59:35 +0800
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 17 Jun 2019 12:09:37 +0200

locking/lockdep: Remove unnecessary DEBUG_LOCKS_WARN_ON()

DEBUG_LOCKS_WARN_ON() will turn off debug_locks and
makes print_unlock_imbalance_bug() return directly.

Remove a redundant whitespace.

Signed-off-by: Kobe Wu <kobe-cp.wu@xxxxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: <linux-mediatek@xxxxxxxxxxxxxxxxxxx>
Cc: <wsd_upstream@xxxxxxxxxxxx>
Cc: Eason Lin <eason-yh.lin@xxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Link: https://lkml.kernel.org/r/1559217575-30298-1-git-send-email-kobe-cp.wu@xxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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 48a840adb281..5e368f485330 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -4160,7 +4160,7 @@ __lock_release(struct lockdep_map *lock, unsigned long ip)
* So we're all set to release this lock.. wait what lock? We don't
* own any locks, you've been drinking again?
*/
- if (DEBUG_LOCKS_WARN_ON(depth <= 0)) {
+ if (depth <= 0) {
print_unlock_imbalance_bug(curr, lock, ip);
return 0;
}