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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-18 17:58:09 +0200
committerWim Van Sebroeck <wim@linux-watchdog.org>2019-07-08 20:35:10 +0200
commit1dbb3bb8de88dbca78556684e79a0f10f7da3d00 (patch)
tree1d0735f973368509777abbf85cb49b2a829898ce /drivers/watchdog
parent3bd41e595b09ecce472432bbdaf7544d2a94a417 (diff)
downloadlinux-1dbb3bb8de88dbca78556684e79a0f10f7da3d00.tar.bz2
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: Guenter Roeck <linux@roeck-us.net> 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 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/bcm_kona_wdt.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/watchdog/bcm_kona_wdt.c b/drivers/watchdog/bcm_kona_wdt.c
index a3e280840a27..eb850a8d19df 100644
--- a/drivers/watchdog/bcm_kona_wdt.c
+++ b/drivers/watchdog/bcm_kona_wdt.c
@@ -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