[02/15] kernfs: use lookup_one_len_unlocked()
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Message ID 1460768127-31822-2-git-send-email-viro@ZenIV.linux.org.uk
State New
Headers show

Commit Message

Al Viro April 16, 2016, 12:55 a.m. UTC
From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/kernfs/mount.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Patch
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diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c
index b67dbcc..e006d30 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;