[SCSI] libfc: fix payload size passed to fc_frame_alloc() in fc_lport_els_request

Frame header room is already incluced, just pass the length of payload.
Signed-off-by: NYi Zou <yi.zou@intel.com>
Signed-off-by: NRobert Love <robert.w.love@intel.com>
Signed-off-by: NJames Bottomley <James.Bottomley@suse.de>

drivers/scsi/libfc/fc_lport.c

@@ -1679,8 +1679,7 @@ static int fc_lport_els_request(struct fc_bsg_job *job,
 	char *pp;
 	int len;
 
-	fp = fc_frame_alloc(lport, sizeof(struct fc_frame_header) +
-			    job->request_payload.payload_len);
+	fp = fc_frame_alloc(lport, job->request_payload.payload_len);
 	if (!fp)
 		return -ENOMEM;