From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Tue, 29 May 2018 15:30:49 +0000 (+0200)
Subject: USB: mtu3: no need to check return value of debugfs_create_dir()
X-Git-Tag: v4.19~894^2~24
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=71cae9ad42168ab5ed21af5e068d45e712e5cc75;p=platform%2Fkernel%2Flinux-rpi.git

USB: mtu3: no need to check return value of debugfs_create_dir()

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: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/mtu3/mtu3_dr.c b/drivers/usb/mtu3/mtu3_dr.c
index 8c3bbf7..ac60e9c 100644
--- a/drivers/usb/mtu3/mtu3_dr.c
+++ b/drivers/usb/mtu3/mtu3_dr.c
@@ -378,10 +378,6 @@ static void ssusb_debugfs_init(struct ssusb_mtk *ssusb)
 	struct dentry *root;
 
 	root = debugfs_create_dir(dev_name(ssusb->dev), usb_debug_root);
-	if (!root) {
-		dev_err(ssusb->dev, "create debugfs root failed\n");
-		return;
-	}
 	ssusb->dbgfs_root = root;
 
 	debugfs_create_file("mode", 0644, root, ssusb, &ssusb_mode_fops);