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From: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	"Gustavo A. R. Silva" <garsilva@embeddedor.com>
Subject: [PATCH] usb: uvc_debugfs: remove unnecessary NULL check before debugfs_remove_recursive
Date: Sun, 12 Nov 2017 02:18:59 -0600	[thread overview]
Message-ID: <20171112081859.GA19079@embeddedor.com> (raw)

NULL check before freeing functions like debugfs_remove_recursive
is not needed.

This issue was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.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);
 }
-- 
2.7.4

             reply	other threads:[~2017-11-12  8:19 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-12  8:18 Gustavo A. R. Silva [this message]
2018-08-06 22:48 ` [PATCH] usb: uvc_debugfs: remove unnecessary NULL check before debugfs_remove_recursive Laurent Pinchart

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