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net: tcp_input: Neaten DBGUNDO

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Move the #ifdef into the static void function so that the use
of DBGUNDO is validated when FASTRETRANS_DEBUG <= 1.

Remove the now unnecessary #else and #define DBGUNDO.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joe Perches 2017-09-10 19:02:25 -07:00 • committed by David S. Miller
commit 3934788a7b
1 changed files with 2 additions and 4 deletions
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6
net/ipv4/tcp_input.c
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@ -2333,9 +2333,9 @@ static bool tcp_any_retrans_done(const struct sock *sk)
return false;
}
#if FASTRETRANS_DEBUG > 1
static void DBGUNDO(struct sock *sk, const char *msg)
{
#if FASTRETRANS_DEBUG > 1
struct tcp_sock *tp = tcp_sk(sk);
struct inet_sock *inet = inet_sk(sk);
@ -2357,10 +2357,8 @@ static void DBGUNDO(struct sock *sk, const char *msg)
tp->packets_out);
}
#endif
}
#else
#define DBGUNDO(x...) do { } while (0)
#endif
}
static void tcp_undo_cwnd_reduction(struct sock *sk, bool unmark_loss)
{