scsi: ufs: Fix residual handling

Only call scsi_set_resid() in case of an underflow. Do not call
scsi_set_resid() in case of an overflow.

Cc: Avri Altman <avri.altman@wdc.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Fixes: cb38845d ("scsi: ufs: core: Set the residual byte count")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230724200843.3376570-2-bvanassche@acm.org


Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>