linux-kernel - Re: [RFC v1 1/6] platform/x86: intel_pmc_ipc: Fix error handling in ipc_pci

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Date:   Mon, 21 Aug 2017 22:01:06 -0700
From:   sathya <sathyaosid@...il.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
Cc:     "x86@...nel.org" <x86@...nel.org>, Ingo Molnar <mingo@...hat.com>,
        Zha Qipeng <qipeng.zha@...el.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "dvhart@...radead.org" <dvhart@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andy Shevchenko <andy@...radead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>
Subject: Re: [RFC v1 1/6] platform/x86: intel_pmc_ipc: Fix error handling in
 ipc_pci_probe()

Hi Andy,


On 08/18/2017 05:22 AM, Andy Shevchenko wrote:
> On Tue, Aug 1, 2017 at 9:13 PM,
> <sathyanarayanan.kuppuswamy@...ux.intel.com> wrote:
>> From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>
>>
>> This patch adds proper error handling for failure cases in
>> ipc_pci_probe() function.
>>
>> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>
>> ---
>>   drivers/platform/x86/intel_pmc_ipc.c | 23 ++++++++++++++++++-----
>>   1 file changed, 18 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/platform/x86/intel_pmc_ipc.c b/drivers/platform/x86/intel_pmc_ipc.c
>> index bb792a5..7b65237 100644
>> --- a/drivers/platform/x86/intel_pmc_ipc.c
>> +++ b/drivers/platform/x86/intel_pmc_ipc.c
>> @@ -489,33 +489,46 @@ static int ipc_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
>>
>>          ret = pci_enable_device(pdev);
>>          if (ret)
>> -               return ret;
>> +               goto release_device;
> Instead of doing this way and ping-ponging code in the same series,
> better to switch to managed PCI functions in the first place.
ok. I will merge this patch and "Use devm_* calls in driver probe" patch 
into a single patch.

>

-
Sathya