[PATCH 15/44] KVM: arm64: Free hypervisor allocations if vector slot init fails
Sean Christopherson
seanjc at google.com
Thu Nov 3 10:18:42 AEDT 2022
Teardown hypervisor mode if vector slot setup fails in order to avoid
leaking any allocations done by init_hyp_mode().
Fixes: b881cdce77b4 ("KVM: arm64: Allocate hyp vectors statically")
Signed-off-by: Sean Christopherson <seanjc at google.com>
---
arch/arm64/kvm/arm.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 0c328af064dd..73644def7780 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -2232,18 +2232,18 @@ int kvm_arch_init(void *opaque)
err = kvm_init_vector_slots();
if (err) {
kvm_err("Cannot initialise vector slots\n");
- goto out_err;
- }
-
- err = init_subsystems();
- if (err)
goto out_hyp;
+ }
+
+ err = init_subsystems();
+ if (err)
+ goto out_subs;
if (!in_hyp_mode) {
err = finalize_hyp_mode();
if (err) {
kvm_err("Failed to finalize Hyp protection\n");
- goto out_hyp;
+ goto out_subs;
}
}
@@ -2257,8 +2257,9 @@ int kvm_arch_init(void *opaque)
return 0;
-out_hyp:
+out_subs:
hyp_cpu_pm_exit();
+out_hyp:
if (!in_hyp_mode)
teardown_hyp_mode();
out_err:
--
2.38.1.431.g37b22c650d-goog
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