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SubjectRe: [PATCH] fix NULL device in ipmi_si error message
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On 06/06/2018 08:11 AM, Meelis Roos wrote:
> I noticed that 4.17.0 logs the follwing during ipmi_si setup:
>
> ipmi_si 0000:01:04.6: probing via PCI
> (NULL device *): Could not setup I/O space
> ipmi_si 0000:01:04.6: [mem 0xf5ef0000-0xf5ef00ff] regsize 1 spacing 1 irq 21
>
> Fix the "NULL device *) by moving io.dev assignment before its potential
> use by ipmi_pci_probe_regspacing().
>
> Result:
> ipmi_si 0000:01:04.6: probing via PCI
> ipmi_si 0000:01:04.6: Could not setup I/O space
> ipmi_si 0000:01:04.6: [mem 0xf5ef0000-0xf5ef00ff] regsize 1 spacing 1 irq 21

Looks good, queued for next release.

It does raise the question of why the I/O space setup is failing on some
system (other have
reported this, too).  I'm working on that.

Thanks,

-corey

> Signed-off-by: Meelis Roos <mroos@linux.ee>
>
> diff --git a/drivers/char/ipmi/ipmi_si_pci.c b/drivers/char/ipmi/ipmi_si_pci.c
> index f54ca6869ed2..022e03634ce2 100644
> --- a/drivers/char/ipmi/ipmi_si_pci.c
> +++ b/drivers/char/ipmi/ipmi_si_pci.c
> @@ -120,6 +120,8 @@ static int ipmi_pci_probe(struct pci_dev *pdev,
> }
> io.addr_data = pci_resource_start(pdev, 0);
>
> + io.dev = &pdev->dev;
> +
> io.regspacing = ipmi_pci_probe_regspacing(&io);
> io.regsize = DEFAULT_REGSIZE;
> io.regshift = 0;
> @@ -128,8 +130,6 @@ static int ipmi_pci_probe(struct pci_dev *pdev,
> if (io.irq)
> io.irq_setup = ipmi_std_irq_setup;
>
> - io.dev = &pdev->dev;
> -
> dev_info(&pdev->dev, "%pR regsize %d spacing %d irq %d\n",
> &pdev->resource[0], io.regsize, io.regspacing, io.irq);
>
>

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