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path: root/fs/hppfs/hppfs.c
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Diffstat (limited to 'fs/hppfs/hppfs.c')
-rw-r--r--fs/hppfs/hppfs.c31
1 files changed, 9 insertions, 22 deletions
diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c
index 87ed48e0343..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))
@@ -174,13 +161,11 @@ static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
err = -ENOMEM;
inode = get_inode(ino->i_sb, proc_dentry);
if (!inode)
- goto out_dput;
+ goto out;
d_add(dentry, inode);
return NULL;
- out_dput:
- dput(proc_dentry);
out:
return ERR_PTR(err);
}
@@ -690,8 +675,10 @@ static struct inode *get_inode(struct super_block *sb, struct dentry *dentry)
struct inode *proc_ino = dentry->d_inode;
struct inode *inode = new_inode(sb);
- if (!inode)
+ if (!inode) {
+ dput(dentry);
return ERR_PTR(-ENOMEM);
+ }
if (S_ISDIR(dentry->d_inode->i_mode)) {
inode->i_op = &hppfs_dir_iops;
@@ -704,7 +691,7 @@ static struct inode *get_inode(struct super_block *sb, struct dentry *dentry)
inode->i_fop = &hppfs_file_fops;
}
- HPPFS_I(inode)->proc_dentry = dget(dentry);
+ HPPFS_I(inode)->proc_dentry = dentry;
inode->i_uid = proc_ino->i_uid;
inode->i_gid = proc_ino->i_gid;
@@ -737,7 +724,7 @@ static int hppfs_fill_super(struct super_block *sb, void *d, int silent)
sb->s_fs_info = proc_mnt;
err = -ENOMEM;
- root_inode = get_inode(sb, proc_mnt->mnt_sb->s_root);
+ root_inode = get_inode(sb, dget(proc_mnt->mnt_sb->s_root));
if (!root_inode)
goto out_mntput;