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KVM: arm64: Fix __pkvm_host_mkyoung_guest() return value

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Don't use an uninitialised stack variable, and just return 0
on the non-error path.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202502100911.8c9DbtKD-lkp@intel.com/
Reviewed-by: Quentin Perret <qperret@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Marc Zyngier
2025-02-10 09:17:58 +00:00
parent eabc7aaef7
commit 8dbccafce3
1 changed files with 1 additions and 2 deletions
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3
arch/arm64/kvm/hyp/nvhe/mem_protect.c
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@@ -1073,7 +1073,6 @@ int __pkvm_host_mkyoung_guest(u64 gfn, struct pkvm_hyp_vcpu *vcpu)
{
struct pkvm_hyp_vm *vm = pkvm_hyp_vcpu_to_hyp_vm(vcpu);
u64 ipa = hyp_pfn_to_phys(gfn);
int ret;
if (pkvm_hyp_vm_is_protected(vm))
return -EPERM;
@@ -1083,5 +1082,5 @@ int __pkvm_host_mkyoung_guest(u64 gfn, struct pkvm_hyp_vcpu *vcpu)
kvm_pgtable_stage2_mkyoung(&vm->pgt, ipa, 0);
guest_unlock_component(vm);
return ret;
return 0;
}