On 10/14/22 15:51, Sasha Levin wrote:
From: Junaid Shahid <junaids@xxxxxxxxxx>
[ Upstream commit b24ede22538b4d984cbe20532bbcb303692e7f52 ]
If vm_init() fails [which can happen, for instance, if a memory
allocation fails during avic_vm_init()], we need to cleanup some
state in order to avoid resource leaks.
Signed-off-by: Junaid Shahid <junaids@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220729224329.323378-1-junaids@xxxxxxxxxx
Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/x86/kvm/x86.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index b0c47b41c264..11fbd42100be 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -12080,6 +12080,10 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
if (ret)
goto out_page_track;
+ ret = static_call(kvm_x86_vm_init)(kvm);
+ if (ret)
+ goto out_uninit_mmu;
+
INIT_HLIST_HEAD(&kvm->arch.mask_notifier_list);
INIT_LIST_HEAD(&kvm->arch.assigned_dev_head);
atomic_set(&kvm->arch.noncoherent_dma_count, 0);
@@ -12115,8 +12119,10 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
kvm_hv_init_vm(kvm);
kvm_xen_init_vm(kvm);
- return static_call(kvm_x86_vm_init)(kvm);
+ return 0;
+out_uninit_mmu:
+ kvm_mmu_uninit_vm(kvm);
out_page_track:
kvm_page_track_cleanup(kvm);
out:
Acked-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
