On Thu, Feb 08, 2018 at 05:37:46PM +0000, Bart Van Assche wrote: > On Thu, 2018-02-08 at 09:19 -0800, tj@xxxxxxxxxx wrote: > > Hello, Bart. > > > > On Thu, Feb 08, 2018 at 05:10:45PM +0000, Bart Van Assche wrote: > > > I think "dereferencing a pointer" means reading the memory location that pointer points > > > at? Anyway, I think we both interpret the crash report in the same way, namely that it > > > means that scmd->device == NULL. > > > > No, what I'm trying to say is that it's is the device->host reference > > not the scmd->device reference. > > Again, I think that means that we agree about the interpretation of the crash > report. The big question here is what the next step should be to analyze this > further and/or to avoid that this crash can occur? Heh, sorry about not being clear. What I'm trying to say is that scmd->device != NULL && device->host == NULL. Or was this what you were saying all along? Thanks. -- tejun