Re: [Xen-devel] [PATCH] xen/pciback: Fix error return code in xen_pcibk_attach()

From: Jan Beulich
Date: Wed Jul 23 2014 - 09:01:27 EST


>>> On 20.07.14 at 07:46, <weiyj_lk@xxxxxxx> wrote:
> --- a/drivers/xen/xen-pciback/xenbus.c
> +++ b/drivers/xen/xen-pciback/xenbus.c
> @@ -174,6 +174,7 @@ static int xen_pcibk_attach(struct xen_pcibk_device *pdev)
> "version mismatch (%s/%s) with pcifront - "
> "halting " DRV_NAME,
> magic, XEN_PCI_MAGIC);
> + err = -EFAULT;
> goto out;
> }
>

While -EFAULT is kind of odd here, I realize this is because the same
also gets passed to xenbus_dev_fatal(); -EILSEQ, -ENODATA, or
-EPROTO (despite it normally being network specific) would seem
better to me.

In any event
Reviewed-by Jan Beulich <jbeulich@xxxxxxxx>

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