Commit fe3c2b4c authored by Miaohe Lin's avatar Miaohe Lin Committed by Paolo Bonzini
Browse files

KVM: explicitly set rmap_head->val to 0 in pte_list_desc_remove_entry() 



When we reach here, we have desc->sptes[j] = NULL with j = 0.
So we can replace desc->sptes[0] with 0 to make it more clear.
Signed-off-by: default avatarMiaohe Lin <linmiaohe@huawei.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent d29c03a5

arch/x86/kvm/mmu/mmu.c

+1 −1
Original line number Diff line number Diff line
@@ -1414,7 +1414,7 @@ pte_list_desc_remove_entry(struct kvm_rmap_head *rmap_head, 
	if (j != 0)

		return;

	if (!prev_desc && !desc->more)

		rmap_head->val = (unsigned long)desc->sptes[0];

		rmap_head->val = 0;

	else

		if (prev_desc)

			prev_desc->more = desc->more;