diff options
| -rw-r--r-- | libbb/inet_cksum.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libbb/inet_cksum.c b/libbb/inet_cksum.c index 31bf8c4d9..3d5dc3adf 100644 --- a/libbb/inet_cksum.c +++ b/libbb/inet_cksum.c @@ -21,8 +21,12 @@ uint16_t FAST_FUNC inet_cksum(uint16_t *addr, int nleft) } /* Mop up an odd byte, if necessary */ - if (nleft) - sum += *(uint8_t*)addr; + if (nleft == 1) { + if (BB_LITTLE_ENDIAN) + sum += *(uint8_t*)addr; + else + sum += *(uint8_t*)addr << 8; + } /* Add back carry outs from top 16 bits to low 16 bits */ sum = (sum >> 16) + (sum & 0xffff); /* add hi 16 to low 16 */ |