From: Jan Beulich <JBeulich@suse.com>
Date: Tue, 9 Dec 2014 11:47:04 +0000 (+0000)
Subject: netback: don't store invalid vif pointer
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~122^2~10^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f15650b7f94879667f253bc32de7431c1baf2d6e;p=pandora-kernel.git

netback: don't store invalid vif pointer

When xenvif_alloc() fails, it returns a non-NULL error indicator. To
avoid eventual races, we shouldn't store that into struct backend_info
as readers of it only check for NULL.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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