Re: [PATCH] EHCI: Update qTD next pointer in QH overlay region during unlink

2012-10-04 Thread Alan Stern
On Fri, 7 Sep 2012, Pavankumar Kondeti wrote: > There is a possibility of QH overlay region having reference to a stale > qTD pointer during unlink. > > Consider an endpoint having two pending qTD before unlink process begins. > The endpoint's QH queue looks like this. > > qTD1 --> qTD2 --> Dumm

Re: [PATCH] EHCI: Update qTD next pointer in QH overlay region during unlink

2012-09-07 Thread Alan Stern
On Fri, 7 Sep 2012, Alan Stern wrote: > On Fri, 7 Sep 2012, Pavankumar Kondeti wrote: > > > There is a possibility of QH overlay region having reference to a stale > > qTD pointer during unlink. > > > > Consider an endpoint having two pending qTD before unlink process begins. > > The endpoint's

Re: [PATCH] EHCI: Update qTD next pointer in QH overlay region during unlink

2012-09-07 Thread Pavan Kondeti
On 9/7/2012 9:22 PM, Alan Stern wrote: > On Fri, 7 Sep 2012, Pavankumar Kondeti wrote: > >> There is a possibility of QH overlay region having reference to a stale >> qTD pointer during unlink. >> >> Consider an endpoint having two pending qTD before unlink process begins. >> The endpoint's QH que

Re: [PATCH] EHCI: Update qTD next pointer in QH overlay region during unlink

2012-09-07 Thread Alan Stern
On Fri, 7 Sep 2012, Pavankumar Kondeti wrote: > There is a possibility of QH overlay region having reference to a stale > qTD pointer during unlink. > > Consider an endpoint having two pending qTD before unlink process begins. > The endpoint's QH queue looks like this. > > qTD1 --> qTD2 --> Dumm