We copy the result to user if the command is completed from the
controller even if it completes with failure (non-zero) status.
A return status of < 0 indicates the command was not completed
by the controller. The user application may expect the error code
in the result field in case of failure.
Signed-off-by: NChayan Biswas <Chayan.Biswas@sandisk.com>
Signed-off-by: NMatthew Wilcox <matthew.r.wilcox@intel.com>