| Message ID | 20250311120652.61366-3-roger.pau@citrix.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | x86/pci: reduce PCI accesses | expand |
On 11.03.2025 13:06, Roger Pau Monne wrote: > Consume the return code from hvm_pi_update_irte(), and propagate the error > back to the caller if hvm_pi_update_irte() fails. > > Fixes: 35a1caf8b6b5 ('pass-through: update IRTE according to guest interrupt config changes') > Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> Reviewed-by: Jan Beulich <jbeulich@suse.com>
diff --git a/xen/drivers/passthrough/x86/hvm.c b/xen/drivers/passthrough/x86/hvm.c index f5faff7a499a..47de6953fdf8 100644 --- a/xen/drivers/passthrough/x86/hvm.c +++ b/xen/drivers/passthrough/x86/hvm.c @@ -381,7 +381,15 @@ int pt_irq_create_bind( /* Use interrupt posting if it is supported. */ if ( iommu_intpost ) - hvm_pi_update_irte(vcpu, info, pirq_dpci->gmsi.gvec); + { + rc = hvm_pi_update_irte(vcpu, info, pirq_dpci->gmsi.gvec); + + if ( rc ) + { + pt_irq_destroy_bind(d, pt_irq_bind); + return rc; + } + } if ( pt_irq_bind->u.msi.gflags & XEN_DOMCTL_VMSI_X86_UNMASKED ) {
Consume the return code from hvm_pi_update_irte(), and propagate the error back to the caller if hvm_pi_update_irte() fails. Fixes: 35a1caf8b6b5 ('pass-through: update IRTE according to guest interrupt config changes') Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> --- Changes since v3: - New in this version. --- xen/drivers/passthrough/x86/hvm.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)