sunrpc: gss: simplify rsi_parse logic

Make an obvious simplification that removes a few lines and some
unnecessary indentation; no change in behavior.
Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>

net/sunrpc/auth_gss/svcauth_gss.c

@@ -224,38 +224,34 @@ static int rsi_parse(struct cache_detail *cd,
 
 	/* major/minor */
 	len = qword_get(&mesg, buf, mlen);
-	if (len < 0)
+	if (len <= 0)
 		goto out;
-	if (len == 0) {
+	rsii.major_status = simple_strtoul(buf, &ep, 10);
+	if (*ep)
+		goto out;
+	len = qword_get(&mesg, buf, mlen);
+	if (len <= 0)
+		goto out;
+	rsii.minor_status = simple_strtoul(buf, &ep, 10);
+	if (*ep)
 		goto out;
-	} else {
-		rsii.major_status = simple_strtoul(buf, &ep, 10);
-		if (*ep)
-			goto out;
-		len = qword_get(&mesg, buf, mlen);
-		if (len <= 0)
-			goto out;
-		rsii.minor_status = simple_strtoul(buf, &ep, 10);
-		if (*ep)
-			goto out;
 
-		/* out_handle */
-		len = qword_get(&mesg, buf, mlen);
-		if (len < 0)
-			goto out;
-		status = -ENOMEM;
-		if (dup_to_netobj(&rsii.out_handle, buf, len))
-			goto out;
+	/* out_handle */
+	len = qword_get(&mesg, buf, mlen);
+	if (len < 0)
+		goto out;
+	status = -ENOMEM;
+	if (dup_to_netobj(&rsii.out_handle, buf, len))
+		goto out;
 
-		/* out_token */
-		len = qword_get(&mesg, buf, mlen);
-		status = -EINVAL;
-		if (len < 0)
-			goto out;
-		status = -ENOMEM;
-		if (dup_to_netobj(&rsii.out_token, buf, len))
-			goto out;
-	}
+	/* out_token */
+	len = qword_get(&mesg, buf, mlen);
+	status = -EINVAL;
+	if (len < 0)
+		goto out;
+	status = -ENOMEM;
+	if (dup_to_netobj(&rsii.out_token, buf, len))
+		goto out;
 	rsii.h.expiry_time = expiry;
 	rsip = rsi_update(&rsii, rsip);
 	status = 0;