diff options
Diffstat (limited to 'xen/arch/x86/irq.c')
| -rw-r--r-- | xen/arch/x86/irq.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/xen/arch/x86/irq.c b/xen/arch/x86/irq.c index dffb33a231..fa6b9a2e31 100644 --- a/xen/arch/x86/irq.c +++ b/xen/arch/x86/irq.c @@ -1938,7 +1938,14 @@ int map_domain_pirq( if ( desc->handler != &no_irq_type ) dprintk(XENLOG_G_ERR, "dom%d: irq %d in use\n", d->domain_id, irq); - setup_msi_handler(desc, msi_desc); + + ret = setup_msi_irq(desc, msi_desc); + if ( ret ) + { + spin_unlock_irqrestore(&desc->lock, flags); + pci_disable_msi(msi_desc); + goto done; + } if ( opt_irq_vector_map == OPT_IRQ_VECTOR_MAP_PERDEV && !desc->arch.used_vectors ) @@ -1954,7 +1961,6 @@ int map_domain_pirq( } set_domain_irq_pirq(d, irq, info); - setup_msi_irq(desc); spin_unlock_irqrestore(&desc->lock, flags); } else |