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[POWERPC] Simplify error logic in rtas_setup_msi_irqs() 

rtas_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>
This commit is contained in:
Michael Ellerman 2007-09-20 16:36:48 +10:00 committed by Paul Mackerras
parent d9303d662f
commit fcbe8090a0
1 changed files with 3 additions and 14 deletions
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17
arch/powerpc/platforms/pseries/msi.c
View File

@ -189,29 +189,22 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
if (rc != nvec) {
pr_debug("rtas_msi: rtas_change_msi() failed\n");
/*
* In case of an error it's not clear whether the device is
* left with MSI enabled or not, so we explicitly disable.
*/
goto out_free;
return rc;
}
i = 0;
list_for_each_entry(entry, &pdev->msi_list, list) {
hwirq = rtas_query_irq_number(pdn, i);
if (hwirq < 0) {
rc = hwirq;
pr_debug("rtas_msi: error (%d) getting hwirq\n", rc);
goto out_free;
return hwirq;
}
virq = irq_create_mapping(NULL, hwirq);
if (virq == NO_IRQ) {
pr_debug("rtas_msi: Failed mapping hwirq %d\n", hwirq);
rc = -ENOSPC;
goto out_free;
return -ENOSPC;
}
dev_dbg(&pdev->dev, "rtas_msi: allocated virq %d\n", virq);
@ -220,10 +213,6 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
}
return 0;
out_free:
rtas_teardown_msi_irqs(pdev);
return rc;
}
static void rtas_msi_pci_irq_fixup(struct pci_dev *pdev)