John, On Thu, Oct 15, 2015 at 4:21 PM, John Youn <John.Youn at synopsys.com> wrote: > Passing a NULL qtd to some of the subcases will lead to a NULL > pointer dereference in that function or some function that it > calls. > > I think you could just check the qtd after each call and bail if > it's not ok. I worry a little bit about ignoring an interrupt that we've already acknowledged, but if you think that's safer I can certainly change the patch. -Doug