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authorMichael Ellerman <michael@ellerman.id.au>2007-03-22 11:51:27 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2007-05-03 04:02:35 +0200
commite387b9eefe89a23245f2446f947529cce5d6db35 (patch)
treecfa287874b4295f41b2d72aff2f0c227794723ef /drivers/pci
parentPCI Documentation: power/pci.txt fix copy/paste error (diff)
downloadlinux-e387b9eefe89a23245f2446f947529cce5d6db35.tar.xz
linux-e387b9eefe89a23245f2446f947529cce5d6db35.zip
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>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/msi.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index a4ef93ea4c54..9213c57cd968 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -572,18 +572,15 @@ void pci_disable_msi(struct pci_dev* dev)
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;
}