KVM: selftests: Fix buggy-but-benign check in test_v3_new_redist_regions()

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Update 'ret' with the return value of _kvm_device_access() prior to
asserting that ret is non-zero.  In the current code base, the flaw is
benign as 'ret' is guaranteed to be -EBUSY from the previous run_vcpu(),
which also means that errno==EBUSY prior to _kvm_device_access(), thus
the "errno == EFAULT" part of the assert means that a false negative is
impossible (unless the kernel is being truly mean and spuriously setting
errno=EFAULT while returning success).

Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Sean Christopherson 2022-02-23 14:52:12 -08:00 • committed by Paolo Bonzini

parent 8deb03e75f

commit 1ca378f653

1 changed files with 2 additions and 2 deletions

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tools/testing/selftests/kvm/aarch64/vgic_init.c

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