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authorAl Viro <viro@zeniv.linux.org.uk>2011-07-17 22:27:22 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2011-07-17 23:22:48 -0400
commit0916a5e45fbd2604a303c8cc18e6b2b7c815e4c9 (patch)
tree94846a921e4c8b5c5607c7811e0787e0684a356f /fs/hppfs
parent3cc0658e35124ace881f6942839dcae877c3eaed (diff)
downloadlinux-0916a5e45fbd2604a303c8cc18e6b2b7c815e4c9.tar.gz
hppfs_lookup(): don't open-code lookup_one_len()
... and it's getting it wrong, too - missing ->d_revalidate() calls when it's dealing with filesystem (procfs) that has non-trivial ->d_revalidate()... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/hppfs')
-rw-r--r--fs/hppfs/hppfs.c19
1 files changed, 3 insertions, 16 deletions
diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c
index 7d6a0e92bcf..85c098a499f 100644
--- a/fs/hppfs/hppfs.c
+++ b/fs/hppfs/hppfs.c
@@ -139,7 +139,8 @@ static int file_removed(struct dentry *dentry, const char *file)
static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
struct nameidata *nd)
{
- struct dentry *proc_dentry, *new, *parent;
+ struct dentry *proc_dentry, *parent;
+ struct qstr *name = &dentry->d_name;
struct inode *inode;
int err, deleted;
@@ -149,23 +150,9 @@ static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
else if (deleted)
return ERR_PTR(-ENOENT);
- err = -ENOMEM;
parent = HPPFS_I(ino)->proc_dentry;
mutex_lock(&parent->d_inode->i_mutex);
- proc_dentry = d_lookup(parent, &dentry->d_name);
- if (proc_dentry == NULL) {
- proc_dentry = d_alloc(parent, &dentry->d_name);
- if (proc_dentry == NULL) {
- mutex_unlock(&parent->d_inode->i_mutex);
- goto out;
- }
- new = (*parent->d_inode->i_op->lookup)(parent->d_inode,
- proc_dentry, NULL);
- if (new) {
- dput(proc_dentry);
- proc_dentry = new;
- }
- }
+ proc_dentry = lookup_one_len(name->name, parent, name->len);
mutex_unlock(&parent->d_inode->i_mutex);
if (IS_ERR(proc_dentry))