debugfs: fix kabi for function debugfs_remove_recursive

hulk inclusion
category: bugfix
bugzilla: 24454
CVE: NA

---------------------------

debugfs_remove_recursive was changed from a function to an alias to
debugfs_remove in patch "simple_recursive_removal(): kernel-side rm -rf
for ramfs-style filesystems". Change it back to a function.
Signed-off-by: Nyu kuai <yukuai3@huawei.com>
Reviewed-by: Nzhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

fs/debugfs/inode.c

@@ -672,6 +672,12 @@ void debugfs_remove(struct dentry *dentry)
 }
 EXPORT_SYMBOL_GPL(debugfs_remove);
 
+void debugfs_remove_recursive(struct dentry *dentry)
+{
+	debugfs_remove(dentry);
+}
+EXPORT_SYMBOL_GPL(debugfs_remove_recursive);
+
 /**
  * debugfs_rename - rename a file/directory in the debugfs filesystem
  * @old_dir: a pointer to the parent dentry for the renamed object. This

include/linux/debugfs.h

@@ -82,7 +82,7 @@ struct dentry *debugfs_create_automount(const char *name,
 					void *data);
 
 void debugfs_remove(struct dentry *dentry);
-#define debugfs_remove_recursive debugfs_remove
+void debugfs_remove_recursive(struct dentry *dentry);
 
 const struct file_operations *debugfs_real_fops(const struct file *filp);