From 3b339e2527a6db257fa8f2a4cab3c510432a98d5 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Mon, 20 May 2019 12:02:16 +0200 Subject: kvm: selftests: avoid type punning Avoid warnings from -Wstrict-aliasing by using memcpy. Reviewed-by: Thomas Huth Signed-off-by: Paolo Bonzini --- tools/testing/selftests/kvm/lib/ucall.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tools/testing/selftests/kvm/lib/ucall.c') diff --git a/tools/testing/selftests/kvm/lib/ucall.c b/tools/testing/selftests/kvm/lib/ucall.c index a2ab38be2f47..b701a01cfcb6 100644 --- a/tools/testing/selftests/kvm/lib/ucall.c +++ b/tools/testing/selftests/kvm/lib/ucall.c @@ -142,7 +142,7 @@ uint64_t get_ucall(struct kvm_vm *vm, uint32_t vcpu_id, struct ucall *uc) vm_vaddr_t gva; TEST_ASSERT(run->mmio.is_write && run->mmio.len == 8, "Unexpected ucall exit mmio address access"); - gva = *(vm_vaddr_t *)run->mmio.data; + memcpy(&gva, run->mmio.data, sizeof(gva)); memcpy(uc, addr_gva2hva(vm, gva), sizeof(*uc)); } -- cgit