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From: Sean Christopherson <seanjc@google.com>
Date: Wed, 30 Nov 2022 23:09:01 +0000
Subject: KVM: arm64: Free hypervisor allocations if vector slot init fails
Git-commit: 6baaeda878445dc7b9e86f614ac39bf137c385af
Patch-mainline: v6.3-rc1
References: git-fixes

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@google.com>
Message-Id: <20221130230934.1014142-18-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Ivan T. Ivanov <iivanov@suse.de>
---
 arch/arm64/kvm/arm.c |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -2127,18 +2127,18 @@ int kvm_arch_init(void *opaque)
 	err = kvm_init_vector_slots();
 	if (err) {
 		kvm_err("Cannot initialise vector slots\n");
-		goto out_err;
+		goto out_hyp;
 	}
 
 	err = init_subsystems();
 	if (err)
-		goto out_hyp;
+		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;
 		}
 	}
 
@@ -2152,8 +2152,9 @@ 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: