From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Subject: [PATCH] crc16: Make buffer argument const
Date: Mon, 8 Jun 2015 13:48:16 +0200 [thread overview]
Message-ID: <1433764096-26938-1-git-send-email-s.hauer@pengutronix.de> (raw)
The buffer is not modified by crc16, so make the argument const.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
crypto/crc16.c | 2 +-
include/crc.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/crypto/crc16.c b/crypto/crc16.c
index d22b656..0b08e9c 100644
--- a/crypto/crc16.c
+++ b/crypto/crc16.c
@@ -90,7 +90,7 @@ static const uint16_t crc16_tab[] = {
};
uint16_t
-cyg_crc16(unsigned char *buf, int len)
+cyg_crc16(const unsigned char *buf, int len)
{
int i;
uint16_t cksum;
diff --git a/include/crc.h b/include/crc.h
index 10560c9..4290f41 100644
--- a/include/crc.h
+++ b/include/crc.h
@@ -95,6 +95,6 @@ cyg_ether_crc32_accumulate(uint32_t crc, unsigned char *s, int len);
/* 16 bit CRC with polynomial x^16+x^12+x^5+1 */
-extern uint16_t cyg_crc16(unsigned char *s, int len);
+extern uint16_t cyg_crc16(const unsigned char *s, int len);
#endif /* _SERVICES_CRC_CRC_H_ */
--
2.1.4
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