From 47bec71dd0db1814326f775728cec8d367b73cac Mon Sep 17 00:00:00 2001
From: Warner Losh <imp@FreeBSD.org>
Date: Fri, 13 Jul 2018 18:19:33 +0000
Subject: [PATCH] Use if rather than case for a simple boolean. gcc thinks blks
 is undefined sometimes with the case, but enc is always 0 or 1, so and if /
 else is better anyway.

---
 stand/libsa/geli/geliboot_crypto.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/stand/libsa/geli/geliboot_crypto.c b/stand/libsa/geli/geliboot_crypto.c
index 2c7270b846ee..82a137c06212 100644
--- a/stand/libsa/geli/geliboot_crypto.c
+++ b/stand/libsa/geli/geliboot_crypto.c
@@ -59,15 +59,14 @@ geliboot_crypt(u_int algo, int enc, u_char *data, size_t datasize,
 			return (err);
 		}
 
-		switch (enc) {
-		case 0: /* decrypt */
+		if (enc == 0) {
+			/* decrypt */
 			blks = rijndael_blockDecrypt(&cipher, &aeskey, data, 
 			    datasize * 8, data);
-			break;
-		case 1: /* encrypt */
+		} else {
+			/* encrypt */
 			blks = rijndael_blockEncrypt(&cipher, &aeskey, data, 
 			    datasize * 8, data);
-			break;
 		}
 		if (datasize != (blks / 8)) {
 			printf("Failed to decrypt the entire input: "