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@xxxxxxx>
Signed-off-by: Will Deacon <will@xxxxxxxxxx>
---
arch/arm64/kvm/arm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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);
--
2.36.1.255.ge46751e96f-goog
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