netdev - [PATCH -next v2 2/2] media: siano: remove redundant null pointer checks in cec_devnode

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Message-ID: <20240907031009.3591057-3-lizetao1@huawei.com>
Date: Sat, 7 Sep 2024 11:10:00 +0800
From: Li Zetao <lizetao1@...wei.com>
To: <mchehab@...nel.org>, <davem@...emloft.net>, <edumazet@...gle.com>,
	<kuba@...nel.org>, <pabeni@...hat.com>, <wens@...e.org>,
	<jernej.skrabec@...il.com>, <samuel@...lland.org>, <heiko@...ech.de>,
	<yisen.zhuang@...wei.com>, <salil.mehta@...wei.com>, <hauke@...ke-m.de>,
	<alexandre.torgue@...s.st.com>, <joabreu@...opsys.com>,
	<mcoquelin.stm32@...il.com>, <wellslutw@...il.com>,
	<radhey.shyam.pandey@....com>, <michal.simek@....com>, <hdegoede@...hat.com>,
	<ilpo.jarvinen@...ux.intel.com>, <lizetao1@...wei.com>,
	<ruanjinjie@...wei.com>, <hverkuil-cisco@...all.nl>,
	<u.kleine-koenig@...gutronix.de>, <jacky_chou@...eedtech.com>,
	<jacob.e.keller@...el.com>
CC: <linux-media@...r.kernel.org>, <netdev@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-sunxi@...ts.linux.dev>,
	<linux-rockchip@...ts.infradead.org>,
	<linux-stm32@...md-mailman.stormreply.com>,
	<platform-driver-x86@...r.kernel.org>
Subject: [PATCH -next v2 2/2] media: siano: remove redundant null pointer checks in cec_devnode_init()

Since the debugfs_create_dir() never returns a null pointer, checking
the return value for a null pointer is redundant, Remove this check
since debugfs_create_file can handle IS_ERR pointers.

Signed-off-by: Li Zetao <lizetao1@...wei.com>
---
v1 -> v2: Remove this check since debugfs_create_file can
handle IS_ERR pointers.
v1:
https://lore.kernel.org/all/20240903143607.2004802-2-lizetao1@huawei.com/

 drivers/media/common/siano/smsdvb-debugfs.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/media/common/siano/smsdvb-debugfs.c b/drivers/media/common/siano/smsdvb-debugfs.c
index 73990e469df9..9db38ae4ecee 100644
--- a/drivers/media/common/siano/smsdvb-debugfs.c
+++ b/drivers/media/common/siano/smsdvb-debugfs.c
@@ -411,10 +411,6 @@ void smsdvb_debugfs_register(void)
 	 * subsystem.
 	 */
 	d = debugfs_create_dir("smsdvb", usb_debug_root);
-	if (IS_ERR_OR_NULL(d)) {
-		pr_err("Couldn't create sysfs node for smsdvb\n");
-		return;
-	}
 	smsdvb_debugfs_usb_root = d;
 }
 
-- 
2.34.1