Re: [PATCH] net: tcp_input: Neaten DBGUNDO

[David Miller]

From: Joe Perches 
Date: Sun, 10 Sep 2017 19:02:25 -0700

> 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 

Applied.

[PATCH] net: tcp_input: Neaten DBGUNDO

[Joe Perches]

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 
---
 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 c5d7656b..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