caif: fix endian conversion in cffrml_transmit()
The "tmp" variable here is used to store the result of cpu_to_le16() so it should be an __le16 instead of an int. We want the high bits set and the current code works on little endian systems but not on big endian systems. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 6 additions and 5 deletions
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@ -136,20 +136,21 @@ static int cffrml_receive(struct cflayer *layr, struct cfpkt *pkt)
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static int cffrml_transmit(struct cflayer *layr, struct cfpkt *pkt)
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{
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int tmp;
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u16 chks;
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u16 len;
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__le16 data;
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struct cffrml *this = container_obj(layr);
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if (this->dofcs) {
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chks = cfpkt_iterate(pkt, cffrml_checksum, 0xffff);
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tmp = cpu_to_le16(chks);
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cfpkt_add_trail(pkt, &tmp, 2);
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data = cpu_to_le16(chks);
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cfpkt_add_trail(pkt, &data, 2);
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} else {
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cfpkt_pad_trail(pkt, 2);
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}
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len = cfpkt_getlen(pkt);
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tmp = cpu_to_le16(len);
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cfpkt_add_head(pkt, &tmp, 2);
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data = cpu_to_le16(len);
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cfpkt_add_head(pkt, &data, 2);
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cfpkt_info(pkt)->hdr_len += 2;
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if (cfpkt_erroneous(pkt)) {
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pr_err("Packet is erroneous!\n");
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