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Message-ID: <20240208172647.324168-3-stephen@networkplumber.org>
Date: Thu, 8 Feb 2024 09:26:29 -0800
From: Stephen Hemminger <stephen@...workplumber.org>
To: netdev@...r.kernel.org
Cc: Stephen Hemminger <stephen@...workplumber.org>
Subject: [PATCH iproute2 3/3] ip: detect rtnl_listen errors while monitoring netns
If rtnl_listen detects error (such as netlink socket EOF),
then exit with status 2 like other iproute2 monitor commands.
Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
---
ip/ipnetns.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/ip/ipnetns.c b/ip/ipnetns.c
index 0ae46a874a0c..594b2ef15d0c 100644
--- a/ip/ipnetns.c
+++ b/ip/ipnetns.c
@@ -96,7 +96,8 @@ static int ipnetns_have_nsid(void)
close(fd);
return 0;
}
- rtnl_listen(&rth, ipnetns_accept_msg, NULL);
+ if (rtnl_listen(&rth, ipnetns_accept_msg, NULL) < 0)
+ exit(2);
close(fd);
}
--
2.43.0
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