Changed CRC input vector to constant

lib/include/srslte/phy/fec/crc.h

@@ -69,7 +69,7 @@ static inline uint64_t srslte_crc_checksum_get(srslte_crc_t* h)
   return (h->crcinit & h->crcmask);
 }
 
-SRSLTE_API uint32_t srslte_crc_checksum_byte(srslte_crc_t* h, uint8_t* data, int len);
+SRSLTE_API uint32_t srslte_crc_checksum_byte(srslte_crc_t* h, const uint8_t* data, int len);
 
 SRSLTE_API uint32_t srslte_crc_checksum(srslte_crc_t* h, uint8_t* data, int len);
 

lib/src/phy/fec/crc.c

@@ -140,7 +140,7 @@ uint32_t srslte_crc_checksum(srslte_crc_t* h, uint8_t* data, int len)
 }
 
 // len is multiple of 8
-uint32_t srslte_crc_checksum_byte(srslte_crc_t* h, uint8_t* data, int len)
+uint32_t srslte_crc_checksum_byte(srslte_crc_t* h, const uint8_t* data, int len)
 {
   int      i;
   uint32_t crc = 0;