[tip: locking/urgent] locking/rtmutex: Use the correct rtmutex debugging config option

The following commit has been merged into the locking/urgent branch of tip:

Commit-ID:     07d25971b220e477eb019fcb520a9f2e3ac966af
Gitweb:        https://git.kernel.org/tip/07d25971b220e477eb019fcb520a9f2e3ac966af
Author:        Zhen Lei [off-list ref]
AuthorDate:    Sat, 31 Jul 2021 20:30:11 +08:00
Committer:     Thomas Gleixner [off-list ref]
CommitterDate: Tue, 10 Aug 2021 08:21:52 +02:00

locking/rtmutex: Use the correct rtmutex debugging config option

It's CONFIG_DEBUG_RT_MUTEXES not CONFIG_DEBUG_RT_MUTEX.

Fixes: f7efc4799f81 ("locking/rtmutex: Inline chainwalk depth check")
Signed-off-by: Zhen Lei <redacted>
Signed-off-by: Thomas Gleixner <redacted>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Boqun Feng <redacted>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210731123011.4555-1-thunder.leizhen@huawei.com (local)

---
 kernel/locking/rtmutex.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index b5d9bb5..ad0db32 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c

@@ -343,7 +343,7 @@ static __always_inline bool
 rt_mutex_cond_detect_deadlock(struct rt_mutex_waiter *waiter,
 			      enum rtmutex_chainwalk chwalk)
 {
-	if (IS_ENABLED(CONFIG_DEBUG_RT_MUTEX))
+	if (IS_ENABLED(CONFIG_DEBUG_RT_MUTEXES))
 		return waiter != NULL;
 	return chwalk == RT_MUTEX_FULL_CHAINWALK;
 }