Re: [PATCH] net: can: af_can.c: Fix checkpatch warnings

From: Oliver Hartkopp
Date: Sun Mar 10 2013 - 09:11:57 EST


On 10.03.2013 14:05, Daniel Mack wrote:


>>> @@ -817,8 +817,7 @@ static int can_notifier(struct notifier_block *nb, unsigned long msg,
>>> /* create new dev_rcv_lists for this device */
>>> d = kzalloc(sizeof(*d), GFP_KERNEL);
>>> if (!d) {
>>> - printk(KERN_ERR
>>> - "can: allocation of receive list failed\n");
>>> + pr_err("can: allocation of receive list failed\n");
>>> return NOTIFY_DONE;
>>> }
>>
>>
>> As i've seen in former patches from Joe Perches OOM messages are obsolete.
>>
>> You could write
>>
>> if(!d)
>> return NOTIFY_DONE;
>>
>> here instead.
>
> While at it, why not switch to dev_err() instead?


Hm, no.

1. pr_err() would be fine, as dev_err() is for drivers - and we're in
linux/net here and not in linux/drivers

2. When removing the entire printk() statement there's nothing to be modified left

Regards,
Oliver

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/