netdev - [PATCH iproute2 1/2] ip neigh: Support --json on ip neigh get

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Message-Id: <63b6585719b0307d81191bbcf5228b94f81c112f.1669930736.git.cdleonard@gmail.com>
Date:   Thu,  1 Dec 2022 23:41:05 +0200
From:   Leonard Crestez <cdleonard@...il.com>
To:     Stephen Hemminger <stephen@...workplumber.org>,
        David Ahern <dsahern@...nel.org>
Cc:     netdev@...r.kernel.org
Subject: [PATCH iproute2 1/2] ip neigh: Support --json on ip neigh get

The ip neigh command supports --json for "list" but not for "get". Add
json support for the "get" command so that it's possible to fetch
information about specific neighbors without regular expressions.

Fixes: aac7f725fa46 ("ipneigh: add color and json support")
Signed-off-by: Leonard Crestez <cdleonard@...il.com>
---
 ip/ipneigh.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ip/ipneigh.c b/ip/ipneigh.c
index 61b0a4a22cbf..0cf7bb60553a 100644
--- a/ip/ipneigh.c
+++ b/ip/ipneigh.c
@@ -727,16 +727,19 @@ static int ipneigh_get(int argc, char **argv)
 
 	if (rtnl_talk(&rth, &req.n, &answer) < 0)
 		return -2;
 
 	ipneigh_reset_filter(0);
+	new_json_obj(json);
 	if (print_neigh(answer, stdout) < 0) {
 		fprintf(stderr, "An error :-)\n");
 		free(answer);
+		delete_json_obj();
 		return -1;
 	}
 	free(answer);
+	delete_json_obj();
 
 	return 0;
 }
 
 int do_ipneigh(int argc, char **argv)
-- 
2.34.1