On Thu, Jun 25, 2015 at 05:41:31PM +0200, Luis de Bethencourt wrote:

On Thu, Jun 25 2015 at 10:43:32AM -0400, Greg KH wrote:

quoted

quoted

On Thu, Jun 25, 2015 at 06:16:28PM +0530, roni wrote:
What is the transfer buffer in URB?

What is the job of transfer buffer?

The in-kernel documentation should answer these questions, which is why
we wrote it :)

Just in case and for future people finding these through search engines:

Documentation/usb/URB.txt
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/usb/URB.txt

Also look at usb.h please.