On Mon, 21 Nov 2016, Benjamin Tissoires wrote: > While playing a little bit with the CP2112 (for hid-rmi I must confess), I > realized that kernel v4.9 now enforces DMA capable buffers when calling > hid_hw_raw_request(). Kernel v4.8 works fine (but gives a stacktrace the first > time), but v4.9 doesn't. > > So I gave a check of all the other drivers in the HID tree, and it looks like > only 4 drivers are not properly allocating their buffers. > > I'd say this is v4.9 material but I was not able to test magicmouse and lg. > If this doesn't qualifies for 4.9-rc7, I think we should add the stable@ > stamp, > given that the chance this will break hid-rmi is huge (cp2112 is not so much > an > issue, given it's a devel board).
Thanks for fixing this up. Applied to for-4.9/upstream-fixes. -- Jiri Kosina SUSE Labs