netdev - [PATCH iproute2 3/4] man: ip-address: document 15-char limit for LABEL

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Message-Id: <20171229220125.13579-3-bluca@debian.org>
Date:   Fri, 29 Dec 2017 23:01:24 +0100
From:   Luca Boccassi <bluca@...ian.org>
To:     netdev@...r.kernel.org
Subject: [PATCH iproute2 3/4] man: ip-address: document 15-char limit for LABEL

Trying to set a label longer than 15 characters returns an error:
 RTNETLINK answers: Numerical result out of range

Document the limit in the manpage.

Originally reported as a Debian bug:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=661886

Reported-by: Gabor Kiss <kissg@....ki.iif.hu>
Signed-off-by: Luca Boccassi <bluca@...ian.org>
---
 man/man8/ip-address.8.in | 1 +
 1 file changed, 1 insertion(+)

diff --git a/man/man8/ip-address.8.in b/man/man8/ip-address.8.in
index eaa179c6..e7f14533 100644
--- a/man/man8/ip-address.8.in
+++ b/man/man8/ip-address.8.in
@@ -190,6 +190,7 @@ Each address may be tagged with a label string.
 In order to preserve compatibility with Linux-2.0 net aliases,
 this string must coincide with the name of the device or must be prefixed
 with the device name followed by colon.
+The maximum allowed length is 15 characters.
 
 .TP
 .BI scope " SCOPE_VALUE"
-- 
2.14.2