[Xen-devel] [PATCH] xen/pci: Bubble up error and fix description.

[Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>]

The function is never called under PV guests, and only shows up
when MSI (or MSI-X) cannot be allocated. Convert the message
to include the error value.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
 arch/x86/pci/xen.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index bedfab9..e1fb269 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -264,8 +264,8 @@ static int xen_hvm_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");
+       dev_err(&dev->dev, "Failed to create MSI%s! ret=%d!\n",
+               type == PCI_CAP_ID_MSI ? "" : "-X", irq);
        return irq;
 }
 
-- 
2.7.4


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