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authorAl Viro <viro@zeniv.linux.org.uk>2016-04-11 08:42:55 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2016-05-02 19:47:21 -0400
commit779b839133d7ab23229be7e601cabab7678ceab1 (patch)
treec57fc5771498d9b665f30a75f7e86bbd9a4a4153
parentb96809173e94ea2fa8c19c2e40e8545a1821bf57 (diff)
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kernfs: use lookup_one_len_unlocked()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/kernfs/mount.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c
index f73541fbe7af..b5b5f079a7f7 100644
--- a/fs/kernfs/mount.c
+++ b/fs/kernfs/mount.c
@@ -120,9 +120,8 @@ struct dentry *kernfs_node_dentry(struct kernfs_node *kn,
kntmp = find_next_ancestor(kn, knparent);
if (WARN_ON(!kntmp))
return ERR_PTR(-EINVAL);
- mutex_lock(&d_inode(dentry)->i_mutex);
- dtmp = lookup_one_len(kntmp->name, dentry, strlen(kntmp->name));
- mutex_unlock(&d_inode(dentry)->i_mutex);
+ dtmp = lookup_one_len_unlocked(kntmp->name, dentry,
+ strlen(kntmp->name));
dput(dentry);
if (IS_ERR(dtmp))
return dtmp;