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Subject[PATCH] locking/lockdep: Remove unused variable in __lockdep_count*()
Date
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@gmail.com>
---
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
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