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kernfs: use lookup_one_len_unlocked()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2016-04-11 08:42:55 -04:00
parent b96809173e
commit 779b839133
1 changed files with 2 additions and 3 deletions
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5
fs/kernfs/mount.c
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@ -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;