[POWERPC] Simplify error logic in u3msi_setup_msi_irqs()

u3msi_setup_msi_irqs() doesn't need to call teardown() itself,
the generic code will do this for us as long as we return a non
zero value.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 2 insertions, 9 deletions

diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c
index 0fc4e961d451..255b2f53beda 100644
--- a/arch/powerpc/sysdev/mpic_u3msi.c
+++ b/arch/powerpc/sysdev/mpic_u3msi.c
@@ -125,7 +125,6 @@ static void u3msi_compose_msi_msg(struct pci_dev *pdev, int virq,
 static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
 {
         irq_hw_number_t hwirq;
-        int rc;
         unsigned int virq;
         struct msi_desc *entry;
         struct msi_msg msg;
@@ -133,17 +132,15 @@ static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
         list_for_each_entry(entry, &pdev->msi_list, list) {
                 hwirq = mpic_msi_alloc_hwirqs(msi_mpic, 1);
                 if (hwirq < 0) {
-                        rc = hwirq;
                         pr_debug("u3msi: failed allocating hwirq\n");
-                        goto out_free;
+                        return hwirq;
                 }
 
                 virq = irq_create_mapping(msi_mpic->irqhost, hwirq);
                 if (virq == NO_IRQ) {
                         pr_debug("u3msi: failed mapping hwirq 0x%lx\n", hwirq);
                         mpic_msi_free_hwirqs(msi_mpic, hwirq, 1);
-                        rc = -ENOSPC;
-                        goto out_free;
+                        return -ENOSPC;
                 }
 
                 set_irq_msi(virq, entry);
@@ -157,10 +154,6 @@ static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
         }
 
         return 0;
-
- out_free:
-        u3msi_teardown_msi_irqs(pdev);
-        return rc;
 }
 
 int mpic_u3msi_init(struct mpic *mpic)