[PATCH] locking/lockdep: Remove unused variable in __lockdep_count*()

[wuchi]

The target_entry variable will never be referenced because the
function noop_count() always returns false in __bfs().
So just remove that.

Signed-off-by: wuchi <wuchi.zero@xxxxxxxxx>
---
 kernel/locking/lockdep.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index e3375bc40dad..04d2ce5d0215 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -2075,9 +2075,8 @@ static bool noop_count(struct lock_list *entry, void *data)
 static unsigned long __lockdep_count_forward_deps(struct lock_list *this)
 {
 	unsigned long  count = 0;
-	struct lock_list *target_entry;
 
-	__bfs_forwards(this, (void *)&count, noop_count, NULL, &target_entry);
+	__bfs_forwards(this, (void *)&count, noop_count, NULL, NULL);
 
 	return count;
 }
@@ -2100,9 +2099,8 @@ unsigned long lockdep_count_forward_deps(struct lock_class *class)
 static unsigned long __lockdep_count_backward_deps(struct lock_list *this)
 {
 	unsigned long  count = 0;
-	struct lock_list *target_entry;
 
-	__bfs_backwards(this, (void *)&count, noop_count, NULL, &target_entry);
+	__bfs_backwards(this, (void *)&count, noop_count, NULL, NULL);
 
 	return count;
 }
-- 
2.20.1