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[PATCH] assorted path_lookup() -> kern_path() conversions

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more nameidata eviction

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2008-08-02 01:04:36 -04:00
parent a63bb99660
commit 421748ecde
4 changed files with 34 additions and 37 deletions
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16
fs/configfs/symlink.c
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@ -108,18 +108,18 @@ out:
}
static int get_target(const char *symname, struct nameidata *nd,
static int get_target(const char *symname, struct path *path,
struct config_item **target)
{
int ret;
ret = path_lookup(symname, LOOKUP_FOLLOW|LOOKUP_DIRECTORY, nd);
ret = kern_path(symname, LOOKUP_FOLLOW|LOOKUP_DIRECTORY, path);
if (!ret) {
if (nd->path.dentry->d_sb == configfs_sb) {
*target = configfs_get_config_item(nd->path.dentry);
if (path->dentry->d_sb == configfs_sb) {
*target = configfs_get_config_item(path->dentry);
if (!*target) {
ret = -ENOENT;
path_put(&nd->path);
path_put(path);
}
} else
ret = -EPERM;
@ -132,7 +132,7 @@ static int get_target(const char *symname, struct nameidata *nd,
int configfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
{
int ret;
struct nameidata nd;
struct path path;
struct configfs_dirent *sd;
struct config_item *parent_item;
struct config_item *target_item;
@ -159,7 +159,7 @@ int configfs_symlink(struct inode *dir, struct dentry *dentry, const char *symna
!type->ct_item_ops->allow_link)
goto out_put;
ret = get_target(symname, &nd, &target_item);
ret = get_target(symname, &path, &target_item);
if (ret)
goto out_put;
@ -174,7 +174,7 @@ int configfs_symlink(struct inode *dir, struct dentry *dentry, const char *symna
}
config_item_put(target_item);
path_put(&nd.path);
path_put(&path);
out_put:
config_item_put(parent_item);