From: Amit Shah <amit.shah@redhat.com>
Date: Mon, 29 Jul 2013 04:55:38 +0000 (+0930)
Subject: virtio: console: fix locking around send_sigio_to_port()
X-Git-Tag: v3.12-rc1~85^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=314081f1025e9ea77b69261f21183e9be18a6f91;p=pandora-kernel.git

virtio: console: fix locking around send_sigio_to_port()

send_sigio_to_port() checks the value of guest_connected, which we
always modify under the inbuf_lock; make sure invocations of
send_sigio_to_port() have take the inbuf_lock around the call.

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