securityfs: ->d_parent is never NULL or negative
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/security/inode.c b/security/inode.c
index 526f822..e3df905 100644
--- a/security/inode.c
+++ b/security/inode.c
@@ -186,20 +186,21 @@
*/
void securityfs_remove(struct dentry *dentry)
{
- struct dentry *parent;
+ struct inode *dir;
if (!dentry || IS_ERR(dentry))
return;
- inode_lock(d_inode(parent));
+ dir = d_inode(dentry->d_parent);
+ inode_lock(dir);
if (simple_positive(dentry)) {
if (d_is_dir(dentry))
- simple_rmdir(d_inode(parent), dentry);
+ simple_rmdir(dir, dentry);
else
- simple_unlink(d_inode(parent), dentry);
+ simple_unlink(dir, dentry);
dput(dentry);
}
- inode_unlock(d_inode(parent));
+ inode_unlock(dir);
simple_release_fs(&mount, &mount_count);
}
EXPORT_SYMBOL_GPL(securityfs_remove);