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crc16: Make buffer argument const 

The buffer is not modified by crc16, so make the argument const.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2015-06-04 10:50:24 +02:00
parent 244b407841
commit 79eba3029f
2 changed files with 2 additions and 2 deletions
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2
crypto/crc16.c
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@ -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;

2
include/crc.h
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@ -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_ */