linux-kernel - Re: [PATCH 1/2 v3] Staging: comedi: fix printk() issue in adv

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Date:	Mon, 18 Jul 2011 21:52:14 -0700
From:	Joe Perches <joe@...ches.com>
To:	Ravishankar <ravishankarkm32@...il.com>
Cc:	gregkh@...e.de, wfp5p@...ginia.edu, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org,
	Ravishankar <ravi.shankar@...enturtles.in>
Subject: Re: [PATCH 1/2 v3] Staging: comedi: fix printk() issue in
 adv_pci1710.c

On Tue, 2011-07-19 at 10:25 +0530, Ravishankar wrote:
> From: Ravishankar <ravi.shankar@...enturtles.in>
> This is a patch to the adv_pci1710.c file that fixes up a printk() warning found by the checkpatch.pl tool
> Signed-off-by: Ravishankar <ravishankarkm32@...il.com>
> ---
> KERN_CONT issue is fixed

Nope, still broken, but in a different way.

>  drivers/staging/comedi/drivers/adv_pci1710.c |   20 ++++++++++----------
>  1 files changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
> index fd71cc6..093b9e6 100644
> --- a/drivers/staging/comedi/drivers/adv_pci1710.c
> +++ b/drivers/staging/comedi/drivers/adv_pci1710.c
> @@ -1396,14 +1396,14 @@ static int pci1710_attach(struct comedi_device *dev,
>  	int i;
>  	int board_index;
>  
> -	printk("comedi%d: adv_pci1710: ", dev->minor);
> +	printk(KERN_CONT "comedi%d: adv_pci1710: ", dev->minor);

This should be KERN_INFO.

_All_ initial printks should have some appropriate KERN_<level>
that is not KERN_CONT (which stands for continuation, btw)
 
>  	opt_bus = it->options[0];
>  	opt_slot = it->options[1];
>  
>  	ret = alloc_private(dev, sizeof(struct pci1710_private));
>  	if (ret < 0) {
> -		printk(" - Allocation failed!\n");
> +		printk(KERN_CONT " - Allocation failed!\n");

This could be:

		printk(KERN_CONT "\n");
		printk(KERN_ERR "Comedi%d: adv_pci1710: Allocation failed\n",
		       dev->minor);


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