Re: [PATCH] thermal/intel_powerclamp: pr_err()/pr_info() strings should end with newlines

From: Daniel Lezcano
Date: Tue Oct 10 2017 - 04:24:55 EST


On 10/10/2017 06:37, Joe Perches wrote:
> On Mon, 2017-10-09 at 14:33 +0200, Daniel Lezcano wrote:
>> On 09/10/2017 13:51, Arvind Yadav wrote:
>>> pr_err()/pr_info() messages should end with a new-line to avoid
>>> other messages being concatenated.
> []
>>> diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c
>>> @@ -675,13 +675,13 @@ static int __init powerclamp_probe(void)
>>> {
>>>
>>> if (!x86_match_cpu(intel_powerclamp_ids)) {
>>> - pr_err("CPU does not support MWAIT");
>>> + pr_err("CPU does not support MWAIT\n");
>
> [etc...]
>
>> Hi Arvind,
>>
>> you are sending these fixes for all the drivers around. There is a way
>> to fix this once and for all: use the coccinelle tools [1], add the
>> script in the changelog with a big patchset and add the script in the
>> coccinelle scripts directory [2].
>
> That can't work as any printk without a newline termination
> could be followed by a printk(KERN_CONT/pr_cont( in another
> function.
>
> All of these must be hand-verified.

Ouch!

Fair enough. Thanks for the info.

-- Daniel


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