diff options
| author | Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> | 2009-08-06 11:33:39 +0900 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-09-09 13:29:32 -0700 |
| commit | 583871d436bea48cc2204cee0ec8eb7025e03db6 (patch) | |
| tree | 607f50839335e102e103c579115738babce4a0db /drivers/pci/msi.c | |
| parent | f56e4481328071d293306a55a951d83639d8d529 (diff) | |
| download | lwn-583871d436bea48cc2204cee0ec8eb7025e03db6.tar.gz lwn-583871d436bea48cc2204cee0ec8eb7025e03db6.zip | |
PCI MSI: Relocate error path in init_msix_capability()
Move it from the middle of the function to the end.
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/msi.c')
| -rw-r--r-- | drivers/pci/msi.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index a7f2a014046b..7085d665db01 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -494,24 +494,8 @@ static int msix_capability_init(struct pci_dev *dev, } ret = arch_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSIX); - if (ret < 0) { - /* If we had some success report the number of irqs - * we succeeded in setting up. */ - int avail = 0; - list_for_each_entry(entry, &dev->msi_list, list) { - if (entry->irq != 0) { - avail++; - } - } - - if (avail != 0) - ret = avail; - } - - if (ret) { - free_msi_irqs(dev); - return ret; - } + if (ret) + goto error; /* * Some devices require MSI-X to be enabled before we can touch the @@ -540,6 +524,26 @@ static int msix_capability_init(struct pci_dev *dev, pci_write_config_word(dev, pos + PCI_MSIX_FLAGS, control); return 0; + +error: + if (ret < 0) { + /* + * If we had some success, report the number of irqs + * we succeeded in setting up. + */ + int avail = 0; + + list_for_each_entry(entry, &dev->msi_list, list) { + if (entry->irq != 0) + avail++; + } + if (avail != 0) + ret = avail; + } + + free_msi_irqs(dev); + + return ret; } /** |