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Diffstat (limited to 'fs/configfs/dir.c')
-rw-r--r--fs/configfs/dir.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 0b502f80c691..36637a8c1ed3 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -67,7 +67,7 @@ static void configfs_d_iput(struct dentry * dentry,
* We _must_ delete our dentries on last dput, as the chain-to-parent
* behavior is required to clear the parents of default_groups.
*/
-static int configfs_d_delete(struct dentry *dentry)
+static int configfs_d_delete(const struct dentry *dentry)
{
return 1;
}
@@ -232,10 +232,8 @@ int configfs_make_dirent(struct configfs_dirent * parent_sd,
sd->s_mode = mode;
sd->s_dentry = dentry;
- if (dentry) {
+ if (dentry)
dentry->d_fsdata = configfs_get(sd);
- dentry->d_op = &configfs_dentry_ops;
- }
return 0;
}
@@ -278,7 +276,6 @@ static int create_dir(struct config_item * k, struct dentry * p,
error = configfs_create(d, mode, init_dir);
if (!error) {
inc_nlink(p->d_inode);
- (d)->d_op = &configfs_dentry_ops;
} else {
struct configfs_dirent *sd = d->d_fsdata;
if (sd) {
@@ -371,9 +368,7 @@ int configfs_create_link(struct configfs_symlink *sl,
CONFIGFS_ITEM_LINK);
if (!err) {
err = configfs_create(dentry, mode, init_symlink);
- if (!err)
- dentry->d_op = &configfs_dentry_ops;
- else {
+ if (err) {
struct configfs_dirent *sd = dentry->d_fsdata;
if (sd) {
spin_lock(&configfs_dirent_lock);
@@ -399,8 +394,7 @@ static void remove_dir(struct dentry * d)
if (d->d_inode)
simple_rmdir(parent->d_inode,d);
- pr_debug(" o %s removing done (%d)\n",d->d_name.name,
- atomic_read(&d->d_count));
+ pr_debug(" o %s removing done (%d)\n",d->d_name.name, d->d_count);
dput(parent);
}
@@ -448,7 +442,7 @@ static int configfs_attach_attr(struct configfs_dirent * sd, struct dentry * den
return error;
}
- dentry->d_op = &configfs_dentry_ops;
+ d_set_d_op(dentry, &configfs_dentry_ops);
d_rehash(dentry);
return 0;
@@ -493,7 +487,11 @@ static struct dentry * configfs_lookup(struct inode *dir,
* If it doesn't exist and it isn't a NOT_PINNED item,
* it must be negative.
*/
- return simple_lookup(dir, dentry, nd);
+ if (dentry->d_name.len > NAME_MAX)
+ return ERR_PTR(-ENAMETOOLONG);
+ d_set_d_op(dentry, &configfs_dentry_ops);
+ d_add(dentry, NULL);
+ return NULL;
}
out:
@@ -685,6 +683,7 @@ static int create_default_group(struct config_group *parent_group,
ret = -ENOMEM;
child = d_alloc(parent, &name);
if (child) {
+ d_set_d_op(child, &configfs_dentry_ops);
d_add(child, NULL);
ret = configfs_attach_group(&parent_group->cg_item,
@@ -1682,6 +1681,7 @@ int configfs_register_subsystem(struct configfs_subsystem *subsys)
err = -ENOMEM;
dentry = d_alloc(configfs_sb->s_root, &name);
if (dentry) {
+ d_set_d_op(dentry, &configfs_dentry_ops);
d_add(dentry, NULL);
err = configfs_attach_group(sd->s_element, &group->cg_item,