sctp: fix to reset packet information after packet transmit
The packet information does not reset after packet transmit, this may cause some problems such as following DATA chunk be sent without AUTH chunk, even if the authentication of DATA chunk has been requested by the peer. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
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@ -136,6 +136,17 @@ struct sctp_packet *sctp_packet_init(struct sctp_packet *packet,
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return packet;
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}
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static void sctp_packet_reset(struct sctp_packet *packet)
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{
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packet->size = packet->overhead;
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packet->has_cookie_echo = 0;
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packet->has_sack = 0;
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packet->has_data = 0;
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packet->has_auth = 0;
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packet->ipfragok = 0;
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packet->auth = NULL;
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}
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/* Free a packet. */
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void sctp_packet_free(struct sctp_packet *packet)
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{
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@ -576,7 +587,7 @@ int sctp_packet_transmit(struct sctp_packet *packet)
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(*tp->af_specific->sctp_xmit)(nskb, tp);
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out:
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packet->size = packet->overhead;
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sctp_packet_reset(packet);
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return err;
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no_route:
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kfree_skb(nskb);
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