No any callers do care whether arch_setup_msi_irqs returns
-ENOSPC or other error numbers. That means they treat the
negative numbers in the same way. So there shouldn't make any
difference to directly return -ENOSPC if finding it's non-zero.
Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
---
drivers/pci/msi.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index a080f44..4a40b72 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -108,7 +108,7 @@ int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
{
struct msi_controller *chip = dev->bus->msi;
struct msi_desc *entry;
- int ret;
+ int ret = 0;
if (chip && chip->setup_irqs)
return chip->setup_irqs(chip, dev, nvec, type);
@@ -119,13 +119,10 @@ int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
if (type == PCI_CAP_ID_MSI && nvec > 1)
return 1;
- for_each_pci_msi_entry(entry, dev) {
+ for_each_pci_msi_entry(entry, dev)
ret = arch_setup_msi_irq(dev, entry);
- if (ret < 0)
- return ret;
- if (ret > 0)
+ if (ret)
return -ENOSPC;
- }
return 0;
}
--
2.3.7
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