diff options
| author |   Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2016-02-11 16:10:25 -0500 |
|---|---|---|
| committer |   David Vrabel <david.vrabel@citrix.com> | 2016-02-15 14:21:18 +0000 |
| commit | 2cfec6a2f989d5c921ba11a329ff8ea986702b9b (patch) | |
| tree | 3fa582bd30ee104927ad66fc96ba66ea6f712043 /arch | |
| parent | xen/pciback: Save the number of MSI-X entries to be copied later. (diff) | |
| download | linux-dev-2cfec6a2f989d5c921ba11a329ff8ea986702b9b.tar.xz linux-dev-2cfec6a2f989d5c921ba11a329ff8ea986702b9b.zip | |
xen/pcifront: Report the errors better.
The messages should be different depending on the type of error.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/xen/pci.h | 4 | ||||
| -rw-r--r-- | arch/x86/pci/xen.c | 5 |
2 files changed, 6 insertions, 3 deletions
diff --git a/arch/x86/include/asm/xen/pci.h b/arch/x86/include/asm/xen/pci.h index 968d57dd54c9..f320ee32d5a1 100644 --- a/arch/x86/include/asm/xen/pci.h +++ b/arch/x86/include/asm/xen/pci.h @@ -57,7 +57,7 @@ static inline int xen_pci_frontend_enable_msi(struct pci_dev *dev, { if (xen_pci_frontend && xen_pci_frontend->enable_msi) return xen_pci_frontend->enable_msi(dev, vectors); - return -ENODEV; + return -ENOSYS; } static inline void xen_pci_frontend_disable_msi(struct pci_dev *dev) { @@ -69,7 +69,7 @@ static inline int xen_pci_frontend_enable_msix(struct pci_dev *dev, { if (xen_pci_frontend && xen_pci_frontend->enable_msix) return xen_pci_frontend->enable_msix(dev, vectors, nvec); - return -ENODEV; + return -ENOSYS; } static inline void xen_pci_frontend_disable_msix(struct pci_dev *dev) { diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index ff31ab464213..beac4dfdade6 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -196,7 +196,10 @@ static int xen_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) return 0; error: - dev_err(&dev->dev, "Xen PCI frontend has not registered MSI/MSI-X support!\n"); + if (ret == -ENOSYS) + dev_err(&dev->dev, "Xen PCI frontend has not registered MSI/MSI-X support!\n"); + else if (ret) + dev_err(&dev->dev, "Xen PCI frontend error: %d!\n", ret); free: kfree(v); return ret; |