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small cleanup in ax25_addr_parse()
The comments were wrong here because "AX25_MAX_DIGIS" is 8 but the comments say 6. Also I've changed the "7" to "AX25_ADDR_LEN". Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 4 additions and 2 deletions
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@ -189,8 +189,10 @@ const unsigned char *ax25_addr_parse(const unsigned char *buf, int len,
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digi->ndigi = 0;
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while (!(buf[-1] & AX25_EBIT)) {
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if (d >= AX25_MAX_DIGIS) return NULL; /* Max of 6 digis */
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if (len < 7) return NULL; /* Short packet */
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if (d >= AX25_MAX_DIGIS)
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return NULL;
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if (len < AX25_ADDR_LEN)
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return NULL;
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memcpy(&digi->calls[d], buf, AX25_ADDR_LEN);
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digi->ndigi = d + 1;
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