From: Michael Ellerman Date: Thu, 20 Sep 2007 06:36:47 +0000 (+1000) Subject: [POWERPC] Simplify error logic in u3msi_setup_msi_irqs() X-Git-Tag: v3.12-rc1~26464^2~173 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d9303d662fa3fca8a6d27dee82b961a5f5524f20;p=kernel%2Fkernel-generic.git [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 Acked-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c index 0fc4e96..255b2f5 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)