On Wed, Apr 11, 2012 at 11:48 AM, Michal Hocko <mhocko@xxxxxxx> wrote: > > I am not familiar with the code much but a trivial call chain walk up to > write_dev_supers (in btrfs) shows that we do not check for the return value > from __getblk so we would nullptr and there might be more. > I guess these need some treat before the BUG might be removed, right? Well, realistically, isn't BUG() as bad as a NULL pointer dereference? Do you care about the exact message on the screen when your machine dies? Linus -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>