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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2016-02-11 16:10:25 -0500
committerDavid Vrabel <david.vrabel@citrix.com>2016-02-15 14:21:18 +0000
commit2cfec6a2f989d5c921ba11a329ff8ea986702b9b (patch)
tree3fa582bd30ee104927ad66fc96ba66ea6f712043 /arch
parentd159457b84395927b5a52adb72f748dd089ad5e5 (diff)
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.h4
-rw-r--r--arch/x86/pci/xen.c5
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;