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-rw-r--r--kernel/audit_watch.c25
1 files changed, 3 insertions, 22 deletions
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index e683869..3823281 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -355,34 +355,15 @@ static void audit_remove_parent_watches(struct audit_parent *parent)
/* Get path information necessary for adding watches. */
static int audit_get_nd(struct audit_watch *watch, struct path *parent)
{
- struct nameidata nd;
- struct dentry *d;
- int err;
-
- err = kern_path_parent(watch->path, &nd);
- if (err)
- return err;
-
- if (nd.last_type != LAST_NORM) {
- path_put(&nd.path);
- return -EINVAL;
- }
-
- mutex_lock_nested(&nd.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
- d = lookup_one_len(nd.last.name, nd.path.dentry, nd.last.len);
- if (IS_ERR(d)) {
- mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
- path_put(&nd.path);
+ struct dentry *d = kern_path_locked(watch->path, parent);
+ if (IS_ERR(d))
return PTR_ERR(d);
- }
+ mutex_unlock(&parent->dentry->d_inode->i_mutex);
if (d->d_inode) {
/* update watch filter fields */
watch->dev = d->d_inode->i_sb->s_dev;
watch->ino = d->d_inode->i_ino;
}
- mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
-
- *parent = nd.path;
dput(d);
return 0;
}
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