Re: [PATCH 1/5] intel_scu_ipc: fix error path by turning to devm_* / pcim_*

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On Sat, 2015-10-10 at 21:21 -0700, Darren Hart wrote:
> On Fri, Oct 09, 2015 at 05:11:32PM +0300, Andy Shevchenko wrote:
> > The error handling is broken right now since it leaves resources 
> > unfreed.
> > Convert the code to use managed resources to fix the error 
> > handling.
> > 
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> 
> Thanks Andriy,
> 
> Please always explicitly Cc LKML.
> 
> Is this hardware you able to test explicitly?

Yes, the patch series has been tested on Intel Medfield and Intel
Edison  (Merrifield) boards.

> 
> > ---
> >  drivers/platform/x86/intel_scu_ipc.c | 26 ++++++++----------------
> > --
> >  1 file changed, 8 insertions(+), 18 deletions(-)
> > 
> > diff --git a/drivers/platform/x86/intel_scu_ipc.c 
> > b/drivers/platform/x86/intel_scu_ipc.c
> > index 187d108..7148535 100644
> > --- a/drivers/platform/x86/intel_scu_ipc.c
> > +++ b/drivers/platform/x86/intel_scu_ipc.c
> 
> ...
> 
> > -	err = pci_request_regions(dev, "intel_scu_ipc");
> > +	err = pcim_iomap_regions(dev, 1 << 0, pci_name(dev));
> >  	if (err)
> >  		return err;
> >  
> > -	base = pci_resource_start(dev, 0);
> > -	if (!base)
> > -		return -ENOMEM;
> > -
> >  	init_completion(&ipcdev.cmd_complete);
> >  
> > -	if (request_irq(dev->irq, ioc, 0, "intel_scu_ipc", 
> > &ipcdev))
> > -		return -EBUSY;
> > +	err = devm_request_irq(&dev->dev, dev->irq, ioc, 0, 
> > "intel_scu_ipc",
> 
> You switched to using pci_name(dev) above, seems to me the same 
> rationale should
> apply here. Any reason not to use pci_name(dev) here instead of 
> "intel_scu_ipc"?
> 
> Thanks,
> 

-- 
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy
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