diff options
| author |   Marc Zyngier <maz@kernel.org> | 2025-02-10 09:17:58 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2025-02-10 09:58:16 +0000 |
| commit | 8dbccafce3c8ae026606f5c7bc6637667d9d5595 (patch) | |
| tree | f5af970c5dffe9100f04d111a30d90bfc55c011a | |
| parent | KVM: arm64: Simplify np-guest hypercalls (diff) | |
| download | wireguard-linux-8dbccafce3c8ae026606f5c7bc6637667d9d5595.tar.xz wireguard-linux-8dbccafce3c8ae026606f5c7bc6637667d9d5595.zip | |
KVM: arm64: Fix __pkvm_host_mkyoung_guest() return value
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>
Diffstat (limited to '')
| -rw-r--r-- | arch/arm64/kvm/hyp/nvhe/mem_protect.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c index 4c2f6a6a2efe..19c3c631708c 100644 --- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c +++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c @@ -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; } |