提交 d9303d66 编写于 作者: M Michael Ellerman 提交者: Paul Mackerras

[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: NMichael Ellerman <michael@ellerman.id.au>
Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>
上级 db220b23
......@@ -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)
......
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