From: Feras Daoud <ferasda@mellanox.com>
Date: Wed, 28 Dec 2016 12:47:21 +0000 (+0200)
Subject: IB/ipoib: Set device connection mode only when needed
X-Git-Tag: v3.2.89~97
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=31c8b9423b11de5da378c5e185d2f3f0b8c24bd8;p=pandora-kernel.git

IB/ipoib: Set device connection mode only when needed

commit 80b5b35aba62232521b31440f0a3cf6caa033849 upstream.

When changing the connection mode, the ipoib_set_mode function
did not check if the previous connection mode equals to the
new one. This commit adds the required check and return 0 if the new
mode equals to the previous one.

Fixes: 839fcaba355a ("IPoIB: Connected mode experimental support")
Signed-off-by: Feras Daoud <ferasda@mellanox.com>
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
[bwh: Backported to 3.2:
 - Adjust filename
 - Unlock RTNL lock before returning]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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