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Commit 86c98e8c authored by Al Viro's avatar Al Viro
Browse files

Remove dead code in dget_parent() 



->d_parent is never NULL...

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent e4b9f005

fs/dcache.c

+0 −5
Original line number Diff line number Diff line
@@ -549,10 +549,6 @@ struct dentry *dget_parent(struct dentry *dentry) 
	 */

	rcu_read_lock();

	ret = dentry->d_parent;

	if (!ret) {

		rcu_read_unlock();

		goto out;

	}

	spin_lock(&ret->d_lock);

	if (unlikely(ret != dentry->d_parent)) {

		spin_unlock(&ret->d_lock);
@@ -563,7 +559,6 @@ struct dentry *dget_parent(struct dentry *dentry) 
	BUG_ON(!ret->d_count);

	ret->d_count++;

	spin_unlock(&ret->d_lock);

out:

	return ret;

}

EXPORT_SYMBOL(dget_parent);