[RESEND PATCH] error-injection: remove meaningless null pointer check before debugfs_remove_recursive

[zhong jiang]

debugfs_remove_recursive has taken the null pointer into account.
just remove the null check before debugfs_remove_recursive.

Acked-by: Masami Hiramatsu <mhira...@kernel.org>
Signed-off-by: zhong jiang <zhongji...@huawei.com>
---
 kernel/fail_function.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/fail_function.c b/kernel/fail_function.c
index bc80a4e..17f75b5 100644
--- a/kernel/fail_function.c
+++ b/kernel/fail_function.c
@@ -173,8 +173,7 @@ static void fei_debugfs_remove_attr(struct fei_attr *attr)
        struct dentry *dir;
 
        dir = debugfs_lookup(attr->kp.symbol_name, fei_debugfs_dir);
-       if (dir)
-               debugfs_remove_recursive(dir);
+       debugfs_remove_recursive(dir);
 }
 
 static int fei_kprobe_handler(struct kprobe *kp, struct pt_regs *regs)
-- 
1.7.12.4