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Subject[PATCH] net: tcp_input: Neaten DBGUNDO
Date
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>
---
net/ipv4/tcp_input.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index c5d7656beeee..bddf724f5c02 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -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)
{
--
2.10.0.rc2.1.g053435c
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