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watchdog: bcm_kona_wdt: no need to check return value of debugfs_create functions 

When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Wim Van Sebroeck <wim@linux-watchdog.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: linux-watchdog@vger.kernel.org
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2019-06-18 17:58:09 +02:00
parent 1012592cce
commit 8bff68b809
1 changed files with 4 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/watchdog/bcm_kona_wdt.c
View File

@ -143,24 +143,18 @@ static void bcm_kona_wdt_debug_init(struct platform_device *pdev)
wdt->debugfs = NULL;
dir = debugfs_create_dir(BCM_KONA_WDT_NAME, NULL);
if (IS_ERR_OR_NULL(dir))
return;
if (debugfs_create_file("info", S_IFREG | S_IRUGO, dir, wdt,
&bcm_kona_fops))
wdt->debugfs = dir;
else
debugfs_remove_recursive(dir);
debugfs_create_file("info", S_IFREG | S_IRUGO, dir, wdt,
&bcm_kona_fops);
wdt->debugfs = dir;
}
static void bcm_kona_wdt_debug_exit(struct platform_device *pdev)
{
struct bcm_kona_wdt *wdt = platform_get_drvdata(pdev);
if (wdt && wdt->debugfs) {
if (wdt)
debugfs_remove_recursive(wdt->debugfs);
wdt->debugfs = NULL;
}
}
#else