linux-kernel - Re: [PATCH 1/3] Staging: i4l: Warning "Prefer "pr_debug over printk(KERN

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Date:   Fri, 07 Oct 2016 13:49:47 -0700
From:   Joe Perches <joe@...ches.com>
To:     Harman Kalra <harman4linux@...il.com>, gregkh@...uxfoundation.org,
        sudipm.mukherjee@...il.co
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] Staging: i4l: Warning "Prefer "pr_debug over
 printk(KERN_DEBUG... " fixed

On Fri, 2016-10-07 at 22:27 +0530, Harman Kalra wrote:
> Warning "Prefer "pr_debug over printk(KERN_DEBUG... " and "few line more than 80 character" fixed

The commit subject and message doesn't match the code change.

> diff --git a/drivers/staging/i4l/icn/icn.h b/drivers/staging/i4l/icn/icn.h
[]
> @@ -54,7 +54,8 @@
>  
>  /* some useful macros for debugging */
>  #ifdef ICN_DEBUG_PORT
> -#define OUTB_P(v, p) {printk(KERN_DEBUG "icn: outb_p(0x%02x,0x%03x)\n", v, p); outb_p(v, p);}
> +#define OUTB_P(v, p) \
> +		{printk(KERN_DEBUG "icn: outb_p(0x%02x,0x%03x)\n", v, p); outb_p(v, p); }

This would be better with a do {...} while (0) guard