Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fix from Thomas Gleixner:
 "A single fix for the fallout from the conversion of MIPS GIC to irq
  domains"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/mips-gic: Fix IRQs in gic_dev_domain

1 files changed, 11 insertions, 1 deletions

diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index 3b5e10aa48ab..8a4adbeb2b8c 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -746,6 +746,12 @@ static int gic_irq_domain_alloc(struct irq_domain *d, unsigned int virq,
                 /* verify that it doesn't conflict with an IPI irq */
                 if (test_bit(spec->hwirq, ipi_resrv))
                         return -EBUSY;
+
+                hwirq = GIC_SHARED_TO_HWIRQ(spec->hwirq);
+
+                return irq_domain_set_hwirq_and_chip(d, virq, hwirq,
+                                                     &gic_level_irq_controller,
+                                                     NULL);
         } else {
                 base_hwirq = find_first_bit(ipi_resrv, gic_shared_intrs);
                 if (base_hwirq == gic_shared_intrs) {
@@ -867,10 +873,14 @@ static int gic_dev_domain_alloc(struct irq_domain *d, unsigned int virq,
                                                     &gic_level_irq_controller,
                                                     NULL);
                 if (ret)
-                        return ret;
+                        goto error;
         }
 
         return 0;
+
+error:
+        irq_domain_free_irqs_parent(d, virq, nr_irqs);
+        return ret;
 }
 
 void gic_dev_domain_free(struct irq_domain *d, unsigned int virq,