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SubjectRe: [PATCH] EDAC, mv64x60: Remove some code duplication
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Hi Christophe,

On 14/01/18 06:17, Christophe JAILLET wrote:
> Le 13/01/2018 à 15:22, Borislav Petkov a écrit :
>> + Chris Packham who's been fixing some stuff in here too.
>>
>> On Sat, Jan 13, 2018 at 08:28:21AM +0100, Christophe JAILLET wrote:
>>> Reorder the error handling code in order to release the resources in
>>> reverse order than allocation.
>>>
>>> Introduce a new 'release_group' label in the error handling path and use
>>> it to void some code duplication.
>>>
>>> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
>>> ---
>>> drivers/edac/mv64x60_edac.c | 7 ++++---
>>> 1 file changed, 4 insertions(+), 3 deletions(-)
>>>
>>> diff --git a/drivers/edac/mv64x60_edac.c b/drivers/edac/mv64x60_edac.c
>>> index 3c68bb525d5d..aa5bc1d8f424 100644
>>> --- a/drivers/edac/mv64x60_edac.c
>>> +++ b/drivers/edac/mv64x60_edac.c
>>> @@ -450,8 +450,8 @@ static int mv64x60_cpu_err_probe(struct platform_device *pdev)
>>> "cpu", 1, NULL, 0, 0, NULL, 0,
>>> edac_dev_idx);
>>> if (!edac_dev) {
>>> - devres_release_group(&pdev->dev, mv64x60_cpu_err_probe);
>>> - return -ENOMEM;
>>> + res = -ENOMEM;
>>> + goto release_group;
>>> }
>>>
>>> pdata = edac_dev->pvt_info;
>>> @@ -561,8 +561,9 @@ static int mv64x60_cpu_err_probe(struct platform_device *pdev)
>>> err2:
>>> edac_device_del_device(&pdev->dev);
>>> err:
>>> - devres_release_group(&pdev->dev, mv64x60_cpu_err_probe);
>>> edac_device_free_ctl_info(edac_dev);
>>> +release_group:
>>> + devres_release_group(&pdev->dev, mv64x60_cpu_err_probe);
>>> return res;
>>> }
>>>
>>> --
>> Thanks, looks good. But looking at this driver, mv64x60_mc_err_probe()
>> and mv64x60_sram_err_probe() have the same problem too. Can you address them
>> with your patch too pls?
> Will do. mv64x60_pci_err_probe() also needs some tweaks.
>
>> Also, if you feel like fixing more stuff in this driver, it doesn't use
>> the edac_printk() infrastructure but naked printk() calls. It could be
>> converted to it.
> I will only propose to remove a useless message and improve another one,
> but won't convert the whole driver, sorry.
>

I take this you mean you have a system with a mv64x60 SoC? You might
want to make yourself known to the linuxppc-dev list. A while back the
prospects of dropping CONFIG_MV64X60 was raised[1]. I don't see anyone
actually following through on this yet but I'm not really following
linuxppc that closely.

[1] - https://marc.info/?l=linux-edac&m=149518763115206&w=2

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