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| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-05-20 13:02:16 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-05-24 22:27:05 +0300 |
| commit | 3b339e2527a6db257fa8f2a4cab3c510432a98d5 (patch) | |
| tree | 4c4be2152f9e4a925ccea293f2c4715428d79132 /tools/testing/selftests | |
| parent | be7fcf1d1701a5266dd36eab4978476f63d1bd57 (diff) | |
| download | linux-3b339e2527a6db257fa8f2a4cab3c510432a98d5.tar.xz | |
kvm: selftests: avoid type punning
Avoid warnings from -Wstrict-aliasing by using memcpy.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/testing/selftests')
| -rw-r--r-- | tools/testing/selftests/kvm/lib/ucall.c | 2 | ||||
| -rw-r--r-- | tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c | 2 |
2 files changed, 2 insertions, 2 deletions
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)); } diff --git a/tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c b/tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c index 61a2163cf9f1..9d62e2c7e024 100644 --- a/tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c +++ b/tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c @@ -75,7 +75,7 @@ void set_revision_id_for_vmcs12(struct kvm_nested_state *state, u32 vmcs12_revision) { /* Set revision_id in vmcs12 to vmcs12_revision. */ - *(u32 *)(state->data) = vmcs12_revision; + memcpy(state->data, &vmcs12_revision, sizeof(u32)); } void set_default_state(struct kvm_nested_state *state) |