linux-kernel - [PATCH] media: NULL check is meaningless before debugfs_remove

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Date:   Fri, 17 Aug 2018 11:37:26 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <laurent.pinchart@...asonboard.com>, <mchehab@...nel.org>
CC:     <linux-kernel@...r.kernel.org>
Subject: [PATCH] media: NULL check is meaningless before debugfs_remove_recursive

debugfs_remove_recursive has taken null pointer into account. so
remove the unneeded check.

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 drivers/media/usb/uvc/uvc_debugfs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/media/usb/uvc/uvc_debugfs.c b/drivers/media/usb/uvc/uvc_debugfs.c
index 368f8f8..6995aeb 100644
--- a/drivers/media/usb/uvc/uvc_debugfs.c
+++ b/drivers/media/usb/uvc/uvc_debugfs.c
@@ -128,6 +128,5 @@ void uvc_debugfs_init(void)
 
 void uvc_debugfs_cleanup(void)
 {
-	if (uvc_debugfs_root_dir != NULL)
-		debugfs_remove_recursive(uvc_debugfs_root_dir);
+	debugfs_remove_recursive(uvc_debugfs_root_dir);
 }
-- 
1.7.12.4