linux-kernel - Re: [PATCH 7/9] drivers/base: fix empty-body warnings in devcoredump.c

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Message-ID: <20200418185033.GQ5820@bombadil.infradead.org>
Date:   Sat, 18 Apr 2020 11:50:33 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel@...r.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-input@...r.kernel.org, Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org,
        "J. Bruce Fields" <bfields@...ldses.org>,
        Chuck Lever <chuck.lever@...cle.com>,
        linux-nfs@...r.kernel.org,
        Johannes Berg <johannes@...solutions.net>,
        Dan Williams <dan.j.williams@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>, linux-nvdimm@...ts.01.org,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, target-devel@...r.kernel.org,
        Zzy Wysm <zzy@...wysm.com>
Subject: Re: [PATCH 7/9] drivers/base: fix empty-body warnings in
 devcoredump.c

On Sat, Apr 18, 2020 at 11:41:09AM -0700, Randy Dunlap wrote:
> @@ -294,11 +295,11 @@ void dev_coredumpm(struct device *dev, s
>  
>  	if (sysfs_create_link(&devcd->devcd_dev.kobj, &dev->kobj,
>  			      "failing_device"))
> -		/* nothing - symlink will be missing */;
> +		do_empty(); /* nothing - symlink will be missing */
>  
>  	if (sysfs_create_link(&dev->kobj, &devcd->devcd_dev.kobj,
>  			      "devcoredump"))
> -		/* nothing - symlink will be missing */;
> +		do_empty(); /* nothing - symlink will be missing */
>  
>  	INIT_DELAYED_WORK(&devcd->del_wk, devcd_del);
>  	schedule_delayed_work(&devcd->del_wk, DEVCD_TIMEOUT);

Could just remove the 'if's?

+	sysfs_create_link(&devcd->devcd_dev.kobj, &dev->kobj,
+			"failing_device");