switch ->get_link() to delayed_call, kill ->put_link()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 4 insertions, 3 deletions

diff --git a/fs/proc/thread_self.c b/fs/proc/thread_self.c
index 03eaa84..9eacd59 100644
--- a/fs/proc/thread_self.c
+++ b/fs/proc/thread_self.c
@@ -20,7 +20,8 @@ static int proc_thread_self_readlink(struct dentry *dentry, char __user *buffer,
 }
 
 static const char *proc_thread_self_get_link(struct dentry *dentry,
-					     struct inode *inode, void **cookie)
+					     struct inode *inode,
+					     struct delayed_call *done)
 {
 	struct pid_namespace *ns = inode->i_sb->s_fs_info;
 	pid_t tgid = task_tgid_nr_ns(current, ns);
@@ -34,13 +35,13 @@ static const char *proc_thread_self_get_link(struct dentry *dentry,
 	if (unlikely(!name))
 		return dentry ? ERR_PTR(-ENOMEM) : ERR_PTR(-ECHILD);
 	sprintf(name, "%d/task/%d", tgid, pid);
-	return *cookie = name;
+	set_delayed_call(done, kfree_link, name);
+	return name;
 }
 
 static const struct inode_operations proc_thread_self_inode_operations = {
 	.readlink	= proc_thread_self_readlink,
 	.get_link	= proc_thread_self_get_link,
-	.put_link	= kfree_put_link,
 };
 
 static unsigned thread_self_inum;