From 02388a2e16611e9d78c1adcba1a23e5dac909e68 Mon Sep 17 00:00:00 2001
From: juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Mon, 13 Jun 2011 08:12:41 +0000
Subject: [PATCH] tools/firmware-utils: fix buffalo csum calculation

Also print an error message if decryption fails.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27167 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 tools/firmware-utils/src/buffalo-enc.c | 4 +++-
 tools/firmware-utils/src/buffalo-lib.c | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/firmware-utils/src/buffalo-enc.c b/tools/firmware-utils/src/buffalo-enc.c
index 94de53e91..13d270b3f 100644
--- a/tools/firmware-utils/src/buffalo-enc.c
+++ b/tools/firmware-utils/src/buffalo-enc.c
@@ -87,8 +87,10 @@ static int decrypt_file(void)
 	ep.key = (unsigned char *) crypt_key;
 
 	err = decrypt_buf(&ep, buf, src_len);
-	if (err)
+	if (err) {
+		ERR("unable to decrypt '%s'", ifname);
 		goto out;
+	}
 
 	printf("Magic\t\t: '%s'\n", ep.magic);
 	printf("Seed\t\t: 0x%02x\n", ep.seed);
diff --git a/tools/firmware-utils/src/buffalo-lib.c b/tools/firmware-utils/src/buffalo-lib.c
index 00ad1a5c1..29aee9f88 100644
--- a/tools/firmware-utils/src/buffalo-lib.c
+++ b/tools/firmware-utils/src/buffalo-lib.c
@@ -179,7 +179,7 @@ int bcrypt_buf(unsigned char seed, unsigned char *key, unsigned char *src,
 
 uint32_t buffalo_csum(uint32_t csum, void *buf, unsigned long len)
 {
-	unsigned char *p = buf;
+	char *p = buf;
 
 	while (len--) {
 		int i;
-- 
2.20.1