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-rw-r--r--tools/firmware-utils/src/mkbrnimg.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/firmware-utils/src/mkbrnimg.c b/tools/firmware-utils/src/mkbrnimg.c
index b7a73ff59d..9cddda3575 100644
--- a/tools/firmware-utils/src/mkbrnimg.c
+++ b/tools/firmware-utils/src/mkbrnimg.c
@@ -52,12 +52,13 @@ static void init_crc32()
}
}
-static uint32_t crc32buf(unsigned char *buf, size_t len)
+static uint32_t crc32buf(const void *buf, size_t len)
{
uint32_t crc = 0xFFFFFFFF;
+ const uint8_t *in = buf;
- for (; len; len--, buf++)
- crc = crc32[(uint8_t)crc ^ *buf] ^ (crc >> BPB);
+ for (; len; len--, in++)
+ crc = crc32[(uint8_t)crc ^ *in] ^ (crc >> BPB);
return ~crc;
}