From 8135591e90c81462a6902f6ffa1f1ca021db077a Mon Sep 17 00:00:00 2001 From: Ian Campbell Date: Fri, 18 Feb 2011 16:43:33 +0000 Subject: [PATCH] xen: events: refactor xen_create_msi_irq slightly Calling PHYSDEVOP_map_pirq earlier simplifies error handling and starts to make the tail end of this function look like xen_bind_pirq_msi_to_irq. Signed-off-by: Ian Campbell Signed-off-by: Konrad Rzeszutek Wilk --- drivers/xen/events.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 1033f6284f31..b54285e27b3b 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -716,6 +716,12 @@ int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type) map_irq.entry_nr = msidesc->msi_attrib.entry_nr; } + rc = HYPERVISOR_physdev_op(PHYSDEVOP_map_pirq, &map_irq); + if (rc) { + dev_warn(&dev->dev, "xen map irq failed %d\n", rc); + goto out; + } + spin_lock(&irq_mapping_update_lock); irq = xen_allocate_irq_dynamic(); @@ -723,15 +729,6 @@ int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type) if (irq == -1) goto out; - rc = HYPERVISOR_physdev_op(PHYSDEVOP_map_pirq, &map_irq); - if (rc) { - printk(KERN_WARNING "xen map irq failed %d\n", rc); - - xen_free_irq(irq); - - irq = -1; - goto out; - } irq_info[irq] = mk_pirq_info(0, map_irq.pirq, 0, map_irq.index); set_irq_chip_and_handler_name(irq, &xen_pirq_chip, -- 2.11.0