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authorFabiano Rosas <[email protected]>2022-01-25 18:56:51 -0300
committerMichael Ellerman <[email protected]>2022-01-31 13:42:59 +1100
commit36d014d37d59065087e51b8381e37993f1ca99bc (patch)
tree6c924c8b7872e1703192ecba8839ab80ace7c1bd
parent26291c54e111ff6ba87a164d85d4a4e134b7315c (diff)
KVM: PPC: Book3S HV: Stop returning internal values to userspace
Our kvm_arch_vcpu_ioctl_run currently returns the RESUME_HOST values to userspace, against the API of the KVM_RUN ioctl which returns 0 on success. Signed-off-by: Fabiano Rosas <[email protected]> Reviewed-by: Nicholas Piggin <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/[email protected]
-rw-r--r--arch/powerpc/kvm/powerpc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 2ad0ccd202d5..50414fb2a5ea 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -1841,6 +1841,14 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
#ifdef CONFIG_ALTIVEC
out:
#endif
+
+ /*
+ * We're already returning to userspace, don't pass the
+ * RESUME_HOST flags along.
+ */
+ if (r > 0)
+ r = 0;
+
vcpu_put(vcpu);
return r;
}