Dan Williams 29d2fef8be usb: catch attempts to submit urbs with a vmalloc'd transfer buffer
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.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-20 10:03:24 +09:00
..
2014-04-05 15:37:40 -07:00
2014-04-05 15:37:40 -07:00
2014-05-06 13:05:00 -07:00
2014-04-08 13:27:40 +02:00
2014-04-22 09:28:02 -07:00
2014-04-29 19:23:22 +02:00
2014-04-16 12:28:47 -07:00
2014-05-07 16:28:52 -07:00
2014-04-18 16:40:08 -07:00
2014-04-05 15:38:41 -07:00
2014-05-03 18:14:28 -04:00
2014-04-03 14:05:02 -07:00
2014-04-16 14:07:51 -07:00