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sctp: fix transport encap_port update in sctp_vtag_verify

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transport encap_port update should be updated when sctp_vtag_verify()
succeeds, namely, returns 1, not returns 0. Correct it in this patch.

While at it, also fix the indentation.

Fixes: a1dd2cf2f1 ("sctp: allow changing transport encap_port by peer packets")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long 2021-10-14 00:50:55 -04:00 committed by David S. Miller
parent c2402d43d1
commit 075718fdaf
1 changed files with 3 additions and 3 deletions
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6
include/net/sctp/sm.h
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@ -384,11 +384,11 @@ sctp_vtag_verify(const struct sctp_chunk *chunk,
* Verification Tag value does not match the receiver's own
* tag value, the receiver shall silently discard the packet...
*/
if (ntohl(chunk->sctp_hdr->vtag) == asoc->c.my_vtag)
return 1;
if (ntohl(chunk->sctp_hdr->vtag) != asoc->c.my_vtag)
return 0;
chunk->transport->encap_port = SCTP_INPUT_CB(chunk->skb)->encap_port;
return 0;
return 1;
}
/* Check VTAG of the packet matches the sender's own tag and the T bit is