From: Tiejun Chen <tiejun.chen@intel.com>
Date: Fri, 9 Jan 2015 08:29:14 +0000 (+0800)
Subject: kvm: update_memslots: clean flags for invalid memslots
X-Git-Tag: firefly_0821_release~176^2~2334^2~27
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b0165f1b415daeedab78455aaac529aaec6007dd;p=firefly-linux-kernel-4.4.55.git

kvm: update_memslots: clean flags for invalid memslots

Indeed, any invalid memslots should be new->npages = 0,
new->base_gfn = 0 and new->flags = 0 at the same time.

Signed-off-by: Tiejun Chen <tiejun.chen@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 246cf291c6fd..a8490f084483 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -675,6 +675,7 @@ static void update_memslots(struct kvm_memslots *slots,
 	if (!new->npages) {
 		WARN_ON(!mslots[i].npages);
 		new->base_gfn = 0;
+		new->flags = 0;
 		if (mslots[i].npages)
 			slots->used_slots--;
 	} else {