diff options
| author |   Will Deacon <will@kernel.org> | 2022-06-09 13:12:18 +0100 |
|---|---|---|
| committer |   Marc Zyngier <maz@kernel.org> | 2022-06-09 13:24:02 +0100 |
| commit | ae187fec75aa670a551d9662f83e3947d3f02a69 (patch) | |
| tree | 599b756248e97d2c09541a87a8b78e71b811b5a8 /arch | |
| parent | KVM: arm64: Warn if accessing timer pending state outside of vcpu context (diff) | |
| download | linux-dev-ae187fec75aa670a551d9662f83e3947d3f02a69.tar.xz linux-dev-ae187fec75aa670a551d9662f83e3947d3f02a69.zip | |
KVM: arm64: Return error from kvm_arch_init_vm() on allocation failure
If we fail to allocate the 'supported_cpus' cpumask in kvm_arch_init_vm()
then be sure to return -ENOMEM instead of success (0) on the failure
path.
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220609121223.2551-2-will@kernel.org
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/kvm/arm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 400bb0fe2745..0da0f06037db 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -150,8 +150,10 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) if (ret) goto out_free_stage2_pgd; - if (!zalloc_cpumask_var(&kvm->arch.supported_cpus, GFP_KERNEL)) + if (!zalloc_cpumask_var(&kvm->arch.supported_cpus, GFP_KERNEL)) { + ret = -ENOMEM; goto out_free_stage2_pgd; + } cpumask_copy(kvm->arch.supported_cpus, cpu_possible_mask); kvm_vgic_early_init(kvm); |