mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-07 12:44:32 -04:00
Code Issues Packages Projects Releases Wiki Activity

KVM: arm64: Free hypervisor allocations if vector slot init fails

Browse Source 
Teardown hypervisor mode if vector slot setup fails in order to avoid
leaking any allocations done by init_hyp_mode().

Fixes: b881cdce77 ("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>
This commit is contained in:
Sean Christopherson
2022-11-30 23:09:01 +00:00
committed by Paolo Bonzini
parent 466d27e48d
commit 6baaeda878
1 changed files with 5 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
arch/arm64/kvm/arm.c
View File

@@ -2249,18 +2249,18 @@ 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;
}
}
@@ -2274,8 +2274,9 @@ 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: