Messages in this thread | | | Subject | Re: [PATCH 4.2.y-ckt 009/211] xhci: don't finish a TD if we get a short transfer event mid TD | From | Ben Hutchings <> | Date | Wed, 06 Jan 2016 17:05:37 +0000 |
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On Tue, 2016-01-05 at 11:41 -0800, Kamal Mostafa wrote: > 4.2.8-ckt1 -stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Mathias Nyman <mathias.nyman@linux.intel.com> > > commit e210c422b6fdd2dc123bedc588f399aefd8bf9de upstream. > > If the difference is big enough between the bytes asked and received > in a bulk transfer we can get a short transfer event pointing to a TRB in > the middle of the TD. We don't want to handle the TD yet as we will anyway > receive a new event for the last TRB in the TD. > > Hold off from finishing the TD and removing it from the list until we > receive an event for the last TRB in the TD > > Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > [ kamal: backport to 4.2-stable: context ] > Signed-off-by: Kamal Mostafa <kamal@canonical.com> [...]
This causes regressions (see https://bugs.debian.org/808602 and https://bugs.debian.org/808953 ) so please hold off until there's a complete fix upstream.
Ben.
-- Ben Hutchings It is easier to write an incorrect program than to understand a correct one.[unhandled content-type:application/pgp-signature] | |