greybus: cancel messages, not gbufs

Rework greybus_kill_gbuf() to be oriented toward an operation
message rather than a gbuf, and rename it.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
1 file changed
tree: 68aca231b725bcd42d8579f8b7f8b8512f7e78c8
  1. drivers/