Messages in this thread |  | | | Date | Tue, 31 Jul 2012 14:00:36 +0200 | | From | Marc Kleine-Budde <> | | Subject | Re: [PATCH can-next v3 1/2] can: add tx/rx LED trigger support |
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On 07/31/2012 01:57 PM, Fabio Baltieri wrote: [...]
>>>> Can you provide a devm implementation for can_led? >>> >>> Sounds reasonable, you mean like a devm_kasprintf implementation to >>> remove kfree and unwinding code? >> >> IMHO it would be sufficient if you implement the devm cleanup functions >> here. > > Uh - can you be more specific? I mean, are you suggesting to just > convert the code to something like: > > unsigned int len; > char *p; > > len = snprintf(NULL, 0, "%s-tx", netdev->name); > p = devm_kzalloc(&netdev->dev, len + 1, GFP_KERNEL); > if (!p) > return -ENOMEM; > sprintf(p, len + 1, "%s-tx", netdev->name);
This would work, if you just have to free both names, but...
> or to implement something with devres_alloc() and a specific > release function?
...you have to call led_trigger_unregister_simple(), so we need a custom release function.
Marc
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