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tcp: Simplify ifdef logic in tcp_update_seqack_wnd()

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This function has a block conditional on !snd_wnd_cap shortly before an
snd_wnd_cap is statically false).

Therefore, simplify this down to a single conditional with an else branch.
While we're there, fix some improperly indented closing braces.

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 2024-09-18 11:53:06 +10:00 committed by Stefano Brivio
parent 4aff6f9392
commit 265b2099c7
1 changed files with 2 additions and 4 deletions
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6
tcp.c
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@ -1066,14 +1066,13 @@ int tcp_update_seqack_wnd(const struct ctx *c, struct tcp_tap_conn *conn,
if (!tinfo) {
if (prev_wnd_to_tap > WINDOW_DEFAULT) {
goto out;
}
}
tinfo = &tinfo_new;
if (getsockopt(s, SOL_TCP, TCP_INFO, tinfo, &sl)) {
goto out;
}
}
}
#ifdef HAS_SND_WND
if ((conn->flags & LOCAL) || tcp_rtt_dst_low(conn)) {
new_wnd_to_tap = tinfo->tcpi_snd_wnd;
} else {
@ -1081,7 +1080,6 @@ int tcp_update_seqack_wnd(const struct ctx *c, struct tcp_tap_conn *conn,
new_wnd_to_tap = MIN((int)tinfo->tcpi_snd_wnd,
SNDBUF_GET(conn));
}
#endif
new_wnd_to_tap = MIN(new_wnd_to_tap, MAX_WINDOW);
if (!(conn->events & ESTABLISHED))