[NETFILTER]: nf_conntrack_sctp: use proper types for bitops
Use unsigned long instead of char for the bitmap and removed lots of casts. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -195,7 +195,7 @@ for ((offset) = (dataoff) + sizeof(sctp_sctphdr_t), (count) = 0; \
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static int do_basic_checks(struct nf_conn *conntrack,
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const struct sk_buff *skb,
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unsigned int dataoff,
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char *map)
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unsigned long *map)
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{
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u_int32_t offset, count;
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sctp_chunkhdr_t _sch, *sch;
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@ -225,7 +225,7 @@ static int do_basic_checks(struct nf_conn *conntrack,
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}
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if (map)
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set_bit(sch->type, (void *)map);
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set_bit(sch->type, map);
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}
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pr_debug("Basic checks passed\n");
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@ -304,7 +304,7 @@ static int sctp_packet(struct nf_conn *conntrack,
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sctp_sctphdr_t _sctph, *sh;
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sctp_chunkhdr_t _sch, *sch;
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u_int32_t offset, count;
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char map[256 / sizeof (char)] = {0};
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unsigned long map[256 / sizeof(unsigned long)] = { 0 };
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sh = skb_header_pointer(skb, dataoff, sizeof(_sctph), &_sctph);
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if (sh == NULL)
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@ -314,11 +314,11 @@ static int sctp_packet(struct nf_conn *conntrack,
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return -1;
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/* Check the verification tag (Sec 8.5) */
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if (!test_bit(SCTP_CID_INIT, (void *)map) &&
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!test_bit(SCTP_CID_SHUTDOWN_COMPLETE, (void *)map) &&
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!test_bit(SCTP_CID_COOKIE_ECHO, (void *)map) &&
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!test_bit(SCTP_CID_ABORT, (void *)map) &&
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!test_bit(SCTP_CID_SHUTDOWN_ACK, (void *)map) &&
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if (!test_bit(SCTP_CID_INIT, map) &&
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!test_bit(SCTP_CID_SHUTDOWN_COMPLETE, map) &&
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!test_bit(SCTP_CID_COOKIE_ECHO, map) &&
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!test_bit(SCTP_CID_ABORT, map) &&
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!test_bit(SCTP_CID_SHUTDOWN_ACK, map) &&
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sh->vtag != conntrack->proto.sctp.vtag[CTINFO2DIR(ctinfo)]) {
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pr_debug("Verification tag check failed\n");
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return -1;
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@ -413,7 +413,7 @@ static int sctp_new(struct nf_conn *conntrack, const struct sk_buff *skb,
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sctp_sctphdr_t _sctph, *sh;
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sctp_chunkhdr_t _sch, *sch;
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u_int32_t offset, count;
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char map[256 / sizeof (char)] = {0};
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unsigned long map[256 / sizeof(unsigned long)] = { 0 };
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sh = skb_header_pointer(skb, dataoff, sizeof(_sctph), &_sctph);
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if (sh == NULL)
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@ -423,9 +423,9 @@ static int sctp_new(struct nf_conn *conntrack, const struct sk_buff *skb,
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return 0;
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/* If an OOTB packet has any of these chunks discard (Sec 8.4) */
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if (test_bit (SCTP_CID_ABORT, (void *)map) ||
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test_bit (SCTP_CID_SHUTDOWN_COMPLETE, (void *)map) ||
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test_bit (SCTP_CID_COOKIE_ACK, (void *)map))
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if (test_bit(SCTP_CID_ABORT, map) ||
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test_bit(SCTP_CID_SHUTDOWN_COMPLETE, map) ||
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test_bit(SCTP_CID_COOKIE_ACK, map))
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return 0;
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newconntrack = SCTP_CONNTRACK_MAX;
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