[PATCH v4 10/30] locking/lockdep: Remove useless lock type assignment

[Yuyang Du]

The next lock to acquire has its lock type set already, so there is no
need to reassign it regardless of whether it is recursive read.

No functional change.

Signed-off-by: Yuyang Du <duyuyang@xxxxxxxxx>
---
 kernel/locking/lockdep.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index e8ebb64..acbd538 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -2919,13 +2919,6 @@ static int validate_chain(struct task_struct *curr, struct held_lock *hlock,
 		if (!ret)
 			return 0;
 		/*
-		 * Mark recursive read, as we jump over it when
-		 * building dependencies (just like we jump over
-		 * trylock entries):
-		 */
-		if (ret == 2)
-			hlock->read = 2;
-		/*
 		 * Add dependency only if this lock is not the head
 		 * of the chain, and if it's not a secondary read-lock:
 		 */
-- 
1.8.3.1