From bb0ca6acd466af55c95b7ce508f29e23a24cabd9 Mon Sep 17 00:00:00 2001
From: Andres Lagar-Cavilla <andreslc@google.com>
Date: Thu, 25 Sep 2014 15:26:50 -0700
Subject: [PATCH] kvm: Fix kvm_get_page_retry_io __gup retval check

Confusion around -EBUSY and zero (inside a BUG_ON no less).

Reported-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andres Lagar-Cavilla <andreslc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Reading git-format-patch failed