From: Antonio Quartulli <ordex@autistici.org>
Date: Sat, 9 Jul 2011 22:36:36 +0000 (+0200)
Subject: batman-adv: hash_add() has to discriminate on the return value
X-Git-Tag: v3.2-rc1~129^2~420^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a1f37d9257a4792ca17b28b1c2e4ad15fe95b28;p=pandora-kernel.git

batman-adv: hash_add() has to discriminate on the return value

hash_add() returns 0 on success while returns -1 either on error and on
entry already present. The caller could use such information to select
its behaviour. For this reason it is useful that hash_add() returns -1
in case on error and returns 1 in case of entry already present.

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
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