MSI: Simplify BUG() handling in pci_disable_msi()
Although it might be nice to do a printk before BUG'ing, it's really not
necessary, and it complicates the code.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index a4ef93e..9213c57 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -572,18 +572,15 @@
if (!entry || !entry->dev || entry->msi_attrib.type != PCI_CAP_ID_MSI) {
return;
}
- if (irq_has_action(dev->first_msi_irq)) {
- printk(KERN_WARNING "PCI: %s: pci_disable_msi() called without "
- "free_irq() on MSI irq %d\n",
- pci_name(dev), dev->first_msi_irq);
- BUG_ON(irq_has_action(dev->first_msi_irq));
- } else {
- default_irq = entry->msi_attrib.default_irq;
- msi_free_irq(dev, dev->first_msi_irq);
- /* Restore dev->irq to its default pin-assertion irq */
- dev->irq = default_irq;
- }
+ BUG_ON(irq_has_action(dev->first_msi_irq));
+
+ default_irq = entry->msi_attrib.default_irq;
+ msi_free_irq(dev, dev->first_msi_irq);
+
+ /* Restore dev->irq to its default pin-assertion irq */
+ dev->irq = default_irq;
+
dev->first_msi_irq = 0;
}