netdev - [iproute PATCH v2 4/7] lib/rt_names: Drop dead code in rtnl_rttable

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Message-Id: <20170817170931.24089-5-phil@nwl.cc>
Date:   Thu, 17 Aug 2017 19:09:28 +0200
From:   Phil Sutter <phil@....cc>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     netdev@...r.kernel.org
Subject: [iproute PATCH v2 4/7] lib/rt_names: Drop dead code in rtnl_rttable_n2a()

Since 'id' is 32bit unsigned, it can never exceed RT_TABLE_MAX (which is
defined to 0xFFFFFFFF). Therefore drop that never matching conditional.

Signed-off-by: Phil Sutter <phil@....cc>
---
 lib/rt_names.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/lib/rt_names.c b/lib/rt_names.c
index 04c15ff5b15f8..e5efd78e6f810 100644
--- a/lib/rt_names.c
+++ b/lib/rt_names.c
@@ -410,10 +410,6 @@ const char *rtnl_rttable_n2a(__u32 id, char *buf, int len)
 {
 	struct rtnl_hash_entry *entry;
 
-	if (id > RT_TABLE_MAX) {
-		snprintf(buf, len, "%u", id);
-		return buf;
-	}
 	if (!rtnl_rttable_init)
 		rtnl_rttable_initialize();
 	entry = rtnl_rttable_hash[id & 255];
-- 
2.13.1