inet_cksum: big-endian fix
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@ -21,8 +21,12 @@ uint16_t FAST_FUNC inet_cksum(uint16_t *addr, int nleft)
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}
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/* Mop up an odd byte, if necessary */
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if (nleft)
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sum += *(uint8_t*)addr;
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if (nleft == 1) {
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if (BB_LITTLE_ENDIAN)
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sum += *(uint8_t*)addr;
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else
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sum += *(uint8_t*)addr << 8;
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}
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/* Add back carry outs from top 16 bits to low 16 bits */
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sum = (sum >> 16) + (sum & 0xffff); /* add hi 16 to low 16 */
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