ARM: KVM: Fix size check in __coherent_cache_guest_page

The check is supposed to catch page-unaligned sizes, not the inverse.

Signed-off-by: Jan Kiszka <[e-mail]>
Signed-off-by: Christoffer Dall <[e-mail]>

arch/arm/include/asm/kvm_mmu.h

···
 
 	bool need_flush = !vcpu_has_cache_enabled(vcpu) || ipa_uncached;
 
-	VM_BUG_ON(size & PAGE_MASK);
+	VM_BUG_ON(size & ~PAGE_MASK);
 
 	if (!need_flush && !icache_is_pipt())
 		goto vipt_cache;