From: Amit Shah <amit.shah@redhat.com>
Date: Thu, 2 Sep 2010 12:41:42 +0000 (+0530)
Subject: virtio: console: Check if portdev is valid in send_control_msg()
X-Git-Tag: v2.6.37-rc1~219^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=84ec06c59a14d0941dd58ca6793b24a7e86b3b85;p=pandora-kernel.git

virtio: console: Check if portdev is valid in send_control_msg()

A portdev may have been hot-unplugged while a port was open()ed.  Skip
sending control messages when the portdev isn't valid.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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