From: Rusty Russell <rusty@rustcorp.com.au>
Date: Thu, 13 Mar 2014 00:53:40 +0000 (+1030)
Subject: virtio-rng: don't crash if virtqueue is broken.
X-Git-Tag: v3.15-rc1~119^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9914a766174d50eb2343f204fef3ee23dbe07c4c;p=pandora-kernel.git

virtio-rng: don't crash if virtqueue is broken.

A bad implementation of virtio might cause us to mark the virtqueue
broken: we'll dev_err() in that case, and the device is useless, but
let's not BUG().

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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