On Thu, May 8, 2014 at 9:25 AM, Mathias Nyman <[email protected]> wrote: > From: Dan Williams <[email protected]> > > Save someone else the debug cycles of figuring out why a driver's > transfer request is failing or causing undefined system behavior. > Buffers submitted for dma must come from GFP allocated / DMA-able > memory. > > Return -EAGAIN matching the return value for dma_mapping_error() cases. > > Cc: Alan Stern <[email protected]> > Cc: Sarah Sharp <[email protected]> > Cc: Mathias Nyman <[email protected]> > Signed-off-by: Dan Williams <[email protected]> > Signed-off-by: Mathias Nyman <[email protected]>
Thanks Mathias. One note, this was acked-by Alan here: http://marc.info/?l=linux-usb&m=139327920501989&w=2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
