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-rw-r--r--kernel/lockdep.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 592c576d77a..a08a17218df 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -2228,6 +2228,10 @@ out_calc_hash:
curr->lockdep_depth++;
check_chain_key(curr);
+#ifdef CONFIG_DEBUG_LOCKDEP
+ if (unlikely(!debug_locks))
+ return 0;
+#endif
if (unlikely(curr->lockdep_depth >= MAX_LOCK_DEPTH)) {
debug_locks_off();
printk("BUG: MAX_LOCK_DEPTH too low!\n");