diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2021-07-30 00:51:54 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2021-08-10 12:03:29 +0300 |
| commit | 8eb5ce3f78a5e5d3f1a12248f6b7dc64ebf71da6 (patch) | |
| tree | 61ac34b7359b57cd45eacdfe445b5fac5ef30d94 /drivers/pci/msi.c | |
| parent | 67961e77a39b8e975dd1906179b9224f29150357 (diff) | |
| download | linux-8eb5ce3f78a5e5d3f1a12248f6b7dc64ebf71da6.tar.xz | |
PCI/MSI: Consolidate error handling in msi_capability_init()
Three error exits doing exactly the same ask for a common error exit point.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210729222543.098828720@linutronix.de
Diffstat (limited to 'drivers/pci/msi.c')
| -rw-r--r-- | drivers/pci/msi.c | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 175f4d6b8e56..d2821bbbda60 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -659,25 +659,16 @@ static int msi_capability_init(struct pci_dev *dev, int nvec, /* Configure MSI capability structure */ ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSI); - if (ret) { - msi_mask_irq(entry, mask, 0); - free_msi_irqs(dev); - return ret; - } + if (ret) + goto err; ret = msi_verify_entries(dev); - if (ret) { - msi_mask_irq(entry, mask, 0); - free_msi_irqs(dev); - return ret; - } + if (ret) + goto err; ret = populate_msi_sysfs(dev); - if (ret) { - msi_mask_irq(entry, mask, 0); - free_msi_irqs(dev); - return ret; - } + if (ret) + goto err; /* Set MSI enabled bits */ pci_intx_for_msi(dev, 0); @@ -687,6 +678,11 @@ static int msi_capability_init(struct pci_dev *dev, int nvec, pcibios_free_irq(dev); dev->irq = entry->irq; return 0; + +err: + msi_mask_irq(entry, mask, 0); + free_msi_irqs(dev); + return ret; } static void __iomem *msix_map_region(struct pci_dev *dev, unsigned nr_entries) |