linux-kernel - Re: [PATCH 10/11] wusb: use printk_ratelimited() instead of printk

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Date:	Thu, 16 Jun 2011 18:34:28 +0400
From:	Sergei Shtylyov <sshtylyov@...sta.com>
To:	Manuel Zerpies <manuel.f.zerpies@...stud.uni-erlangen.de>
CC:	Greg Kroah-Hartman <gregkh@...e.de>,
	Lucas De Marchi <lucas.demarchi@...fusion.mobi>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	christian.dietrich@...ormatik.uni-erlangen.de
Subject: Re: [PATCH 10/11] wusb: use printk_ratelimited() instead of printk_ratelimit()

Hello.

Manuel Zerpies wrote:

> Since printk_ratelimit() shouldn't be used anymore (see comment in
> include/linux/printk.h), replace it with printk_ratelimited()

> Signed-off-by: Manuel Zerpies <manuel.f.zerpies@...stud.uni-erlangen.de>
> ---
>  drivers/usb/wusbcore/wa-xfer.c |    7 +++----
>  1 files changed, 3 insertions(+), 4 deletions(-)

> diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
> index 6ccd93a..4193345 100644
> --- a/drivers/usb/wusbcore/wa-xfer.c
> +++ b/drivers/usb/wusbcore/wa-xfer.c
> @@ -83,6 +83,7 @@
>  #include <linux/spinlock.h>
>  #include <linux/slab.h>
>  #include <linux/hash.h>
> +#include <linux/ratelimit.h>
>  
>  #include "wa-hc.h"
>  #include "wusbhc.h"
> @@ -1217,16 +1218,14 @@ static int wa_xfer_status_to_errno(u8 status)
>  	if (status == 0)
>  		return 0;
>  	if (status >= ARRAY_SIZE(xlat)) {
> -		if (printk_ratelimit())
> -			printk(KERN_ERR "%s(): BUG? "
> +		printk_ratelimited(KERN_ERR "%s(): BUG? "
>  			       "Unknown WA transfer status 0x%02x\n",
>  			       __func__, real_status);
>  		return -EINVAL;
>  	}
>  	errno = xlat[status];
>  	if (unlikely(errno > 0)) {
> -		if (printk_ratelimit())
> -			printk(KERN_ERR "%s(): BUG? "
> +		printk_ratelimited(KERN_ERR "%s(): BUG? "
>  			       "Inconsistent WA status: 0x%02x\n",
>  			       __func__, real_status);
>  		errno = -errno;

    Why not pr_err_ratelimited()?

WBR, Sergei
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