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KVM: SEV: Goto an existing error label if charging misc_cg for an ASID fails

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Dedup a small amount of cleanup code in SEV ASID allocation by reusing
an existing error label.

No functional change intended.

Link: https://patch.msgid.link/20260310234829.2608037-22-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Sean Christopherson
2026-03-10 16:48:29 -07:00
parent 1d353dae3d
commit bc0932cf9b
1 changed files with 5 additions and 6 deletions
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11
arch/x86/kvm/svm/sev.c
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@@ -289,14 +289,11 @@ static int sev_asid_new(struct kvm_sev_info *sev, unsigned long vm_type)
if (min_asid > max_asid)
return -ENOTTY;
WARN_ON(sev->misc_cg);
WARN_ON_ONCE(sev->misc_cg);
sev->misc_cg = get_current_misc_cg();
ret = sev_misc_cg_try_charge(sev);
if (ret) {
put_misc_cg(sev->misc_cg);
sev->misc_cg = NULL;
return ret;
}
if (ret)
goto e_put_cg;
asid = sev_alloc_asid(min_asid, max_asid);
if (asid > max_asid) {
@@ -306,8 +303,10 @@ static int sev_asid_new(struct kvm_sev_info *sev, unsigned long vm_type)
sev->asid = asid;
return 0;
e_uncharge:
sev_misc_cg_uncharge(sev);
e_put_cg:
put_misc_cg(sev->misc_cg);
sev->misc_cg = NULL;
return ret;