netdev - [iproute2 16/22] lib/rt_names: Read nl

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Message-Id: <20230719185106.17614-17-gioele@svario.it>
Date: Wed, 19 Jul 2023 20:51:00 +0200
From: Gioele Barabucci <gioele@...rio.it>
To: netdev@...r.kernel.org
Cc: Stephen Hemminger <stephen@...workplumber.org>,
	Gioele Barabucci <gioele@...rio.it>
Subject: [iproute2 16/22] lib/rt_names: Read nl_protos from /etc and /usr

Signed-off-by: Gioele Barabucci <gioele@...rio.it>
---
 lib/rt_names.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/rt_names.c b/lib/rt_names.c
index 046a3614..4f38fcbe 100644
--- a/lib/rt_names.c
+++ b/lib/rt_names.c
@@ -728,9 +728,14 @@ static int nl_proto_init;
 
 static void nl_proto_initialize(void)
 {
+	int ret;
+
 	nl_proto_init = 1;
-	rtnl_tab_initialize(CONF_ETC_DIR "/nl_protos",
-			    nl_proto_tab, 256);
+	ret = rtnl_tab_initialize(CONF_ETC_DIR "/nl_protos",
+	                          nl_proto_tab, 256);
+	if (ret == -ENOENT)
+		rtnl_tab_initialize(CONF_USR_DIR "/nl_protos",
+		                    nl_proto_tab, 256);
 }
 
 const char *nl_proto_n2a(int id, char *buf, int len)
-- 
2.39.2