netdev - [PATCH 01/39] netfilter: get rid of useless debugging from core

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Date:   Sun, 13 Nov 2016 23:24:55 +0100
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH 01/39] netfilter: get rid of useless debugging from core

This patch remove compile time code to catch inconventional verdicts.
We have better ways to handle this case these days, eg. pr_debug() but
even though I don't think this is useful at all, so let's remove this.

Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 net/netfilter/core.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index 004af030ef1a..3d4aa96cb219 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -323,15 +323,6 @@ unsigned int nf_iterate(struct sk_buff *skb,
 repeat:
 		verdict = (*entryp)->ops.hook((*entryp)->ops.priv, skb, state);
 		if (verdict != NF_ACCEPT) {
-#ifdef CONFIG_NETFILTER_DEBUG
-			if (unlikely((verdict & NF_VERDICT_MASK)
-							> NF_MAX_VERDICT)) {
-				NFDEBUG("Evil return from %p(%u).\n",
-					(*entryp)->ops.hook, state->hook);
-				*entryp = rcu_dereference((*entryp)->next);
-				continue;
-			}
-#endif
 			if (verdict != NF_REPEAT)
 				return verdict;
 			goto repeat;
-- 
2.1.4