On 12/29/2016 10:39 PM, Julia Lawall wrote:
>
>
> On Thu, 29 Dec 2016, Jacek Anaszewski wrote:
>
>> Hi Julia,
>>
>> This patch doesn't apply to current for-next branch
>> of linux-leds.git.
>
> The information about where it comes from is below the ---. It's
> automatically send to me by kbuild, so I don't know anything more than
> that. I recall from the original message that the code was committed
> around an hour ago.
In mainline as well as in linux-next we have only the following patch
touching pca9532_of_populate_pdata() (it adds the function):
commit fa4191a609f219262a18dd8b02ab7dc30896b707
Author: Phil Reid <preid@xxxxxxxxxxxxxxxxx>
Date: Tue Jun 14 15:36:17 2016 +0800
leds: pca9532: Add device tree support
This patch adds basic device tree support for the pca9532 LEDs.
Signed-off-by: Phil Reid <preid@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx>
It doesn't have the problems the kbuild detected in
https://github.com/manabian/linux-lpc lpc18xx_43xx_devel.
The git history for leds-pca9532.c in that repository is
different from the one in mainline.
I don't see a point in reporting problems in repositories
other than mainline or linux-next.
Best regards,
Jacek Anaszewski
>>
>> On 12/29/2016 10:10 PM, Julia Lawall wrote:
>>> Device node iterators put the previous value of the index variable, so an
>>> explicit put causes a double put.
>>>
>>> Generated by: scripts/coccinelle/iterators/device_node_continue.cocci
>>>
>>> Signed-off-by: Julia Lawall <julia.lawall@xxxxxxx>
>>> Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
>>> ---
>>>
>>> I haven't looked at the context in detail, but given the rule, I assume
>>> that there is an iterator, such as for_each_child_of_node, and these
>>> iterators do a put on each iteration, so none is needed in the loop body.
>>>
>>> tree: https://github.com/manabian/linux-lpc lpc18xx_43xx_devel
>>> head: 9ee5f58bbb16c08da223c4b4933457e0eb72268d
>>> commit: c58957273142be779f62c17fae389ce9c134139f [44/55] leds: pca9532: use
>>>
>>> leds-pca9532.c | 3 ---
>>> 1 file changed, 3 deletions(-)
>>>
>>> --- a/drivers/leds/leds-pca9532.c
>>> +++ b/drivers/leds/leds-pca9532.c
>>> @@ -473,7 +473,6 @@ pca9532_of_populate_pdata(struct device
>>>
>>> res = of_property_read_u32(child, "reg", ®);
>>> if ((res != 0) || (reg >= maxleds)) {
>>> - of_node_put(child);
>>> continue;
>>> }
>>>
>>> @@ -484,8 +483,6 @@ pca9532_of_populate_pdata(struct device
>>> of_property_read_u32(child, "type", &pdata->leds[reg].type);
>>> of_property_read_string(child, "linux,default-trigger",
>>> &pdata->leds[reg].default_trigger);
>>> -
>>> - of_node_put(child);
>>> }
>>>
>>> return pdata;
>>>
>>
>>
>
--
Best regards,
Jacek Anaszewski
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