KVM: arm64: Fix error return code in init_hyp_mode()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: eeeee7193df0 ("KVM: arm64: Bootstrap PSCI SMC handler in nVHE EL2")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Wensheng <wangwensheng4@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210406121759.5407-1-wangwensheng4@huawei.com

diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 7f06ba7..8526101 100644 (file)
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -1808,8 +1808,10 @@ static int init_hyp_mode(void)
        if (is_protected_kvm_enabled()) {
                init_cpu_logical_map();
 
-               if (!init_psci_relay())
+               if (!init_psci_relay()) {
+                       err = -ENODEV;
                        goto out_err;
+               }
        }
 
        return 0;