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tcp_splice: Don't use flow_trace() before setting flow type

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In tcp_splice_conn_from_sock() we can call flow_trace() if there's an
error setting TCP_QUICKACK.  However, we do so before we've set the
flow type in the flow entry.  That means that flow_trace() will print
nonsense when it tries to print the flow type.

There's no reason the setsockopt() has to happen before initialising
the flow entry, so just move it after.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
David Gibson 2024-02-28 22:25:09 +11:00 committed by Stefano Brivio
parent 80f9b61b50
commit d0550f97cd
1 changed files with 3 additions and 3 deletions
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6
tcp_splice.c
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@ -453,9 +453,6 @@ bool tcp_splice_conn_from_sock(const struct ctx *c,
if (!inany_is_loopback(&aany))
return false;
if (setsockopt(s, SOL_TCP, TCP_QUICKACK, &((int){ 1 }), sizeof(int)))
flow_trace(conn, "failed to set TCP_QUICKACK on %i", s);
conn->f.type = FLOW_TCP_SPLICE;
conn->flags = inany_v4(&aany) ? 0 : SPLICE_V6;
conn->s[0] = s;
@ -463,6 +460,9 @@ bool tcp_splice_conn_from_sock(const struct ctx *c,
conn->pipe[0][0] = conn->pipe[0][1] = -1;
conn->pipe[1][0] = conn->pipe[1][1] = -1;
if (setsockopt(s, SOL_TCP, TCP_QUICKACK, &((int){ 1 }), sizeof(int)))
flow_trace(conn, "failed to set TCP_QUICKACK on %i", s);
if (tcp_splice_new(c, conn, ref.port, ref.pif))
conn_flag(c, conn, CLOSING);