On 10/15/2015 4:38 PM, Doug Anderson wrote: > John, > > On Thu, Oct 15, 2015 at 4:21 PM, John Youn <John.Youn@xxxxxxxxxxxx> 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. > In terms of avoiding crashes it's probably safer. Whether it is correct or not, I'm not sure. I need to review the code more. The question is: after the qtd has been freed, is anything the other handlers do necessary? Might have to look at each case separately. John -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
