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xen/pcifront: Report the errors better.

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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>
This commit is contained in:
Konrad Rzeszutek Wilk 2016-02-11 16:10:25 -05:00 committed by David Vrabel
parent d159457b84
commit 2cfec6a2f9
2 changed files with 6 additions and 3 deletions
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4
arch/x86/include/asm/xen/pci.h
View File

@ -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)
{

5
arch/x86/pci/xen.c
View File

@ -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;