scsi: remove the second argument of k[un]map_atomic()

Signed-off-by: Cong Wang <amwang@redhat.com>
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index 83750eb..c1a808c 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -1698,7 +1698,7 @@
 
 	job->reply->reply_payload_rcv_len +=
 		fc_copy_buffer_to_sglist(buf, len, info->sg, &info->nents,
-					 &info->offset, KM_BIO_SRC_IRQ, NULL);
+					 &info->offset, NULL);
 
 	if (fr_eof(fp) == FC_EOF_T &&
 	    (ntoh24(fh->fh_f_ctl) & (FC_FC_LAST_SEQ | FC_FC_END_SEQ)) ==