Re: [PATCH v2] Input: iqs626a - Use scope-based resource management in iqs626_parse_events()

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>> Scope-based resource management became supported also for this software
>> area by contributions of Jonathan Cameron on 2024-02-17.
>>
>> device property: Add cleanup.h based fwnode_handle_put() scope based cleanup.
>> https://lore.kernel.org/r/20240217164249.921878-3-jic23@xxxxxxxxxx
>>
>>
>> * Thus use the attribute “__free(fwnode_handle)”.
>>
>> * Reduce the scope for the local variable “ev_node” into a for loop.
…
>> +++ b/drivers/input/misc/iqs626a.c
>> @@ -462,7 +462,6 @@ iqs626_parse_events(struct iqs626_private *iqs626,
>>  {
>>  	struct iqs626_sys_reg *sys_reg = &iqs626->sys_reg;
>>  	struct i2c_client *client = iqs626->client;
>> -	struct fwnode_handle *ev_node;
>>  	const char *ev_name;
>>  	u8 *thresh, *hyst;
>>  	unsigned int val;
>> @@ -501,6 +500,8 @@ iqs626_parse_events(struct iqs626_private *iqs626,
>>  		if (!iqs626_channels[ch_id].events[i])
>>  			continue;
>>
>> +		struct fwnode_handle *ev_node __free(fwnode_handle);
>
> Doesn't this need to be initialized?

This variable should usually be set in both branches of the subsequent if statement,
shouldn't it?

Please take another look at the proposed scope reduction
for the affected variable.
May additional curly brackets be omitted for this source code transformation?

Regards,
Markus





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