static struct ctl_table_header *sysctl_head_grab(struct ctl_table_header *head)
{
- if (!head)
- BUG();
+ BUG_ON(!head);
spin_lock(&sysctl_lock);
if (!use_table(head))
head = ERR_PTR(-ENOENT);
err = ERR_PTR(-ENOMEM);
inode = proc_sys_make_inode(dir->i_sb, h ? h : head, p);
- if (h)
- sysctl_head_finish(h);
-
if (!inode)
goto out;
d_add(dentry, inode);
out:
+ if (h)
+ sysctl_head_finish(h);
sysctl_head_finish(head);
return err;
}