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 <jan.kiszka@siemens.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
index 37ca2a4c6f09..bf0fe99e8ca9 100644
--- a/arch/arm/include/asm/kvm_mmu.h
+++ b/arch/arm/include/asm/kvm_mmu.h
@@ -207,7 +207,7 @@ static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu, pfn_t pfn,
 
         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;