1 files changed, 11 insertions, 32 deletions

diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c
index 2f07be1e1f31..df8e73ec3342 100644
--- a/drivers/usb/dwc3/debugfs.c
+++ b/drivers/usb/dwc3/debugfs.c
@@ -716,9 +716,6 @@ static void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep,
 	struct dentry		*dir;
 
 	dir = debugfs_create_dir(dep->name, parent);
-	if (IS_ERR_OR_NULL(dir))
-		return;
-
 	dwc3_debugfs_create_endpoint_files(dep, dir);
 }
 
@@ -740,49 +737,31 @@ static void dwc3_debugfs_create_endpoint_dirs(struct dwc3 *dwc,
 void dwc3_debugfs_init(struct dwc3 *dwc)
 {
 	struct dentry		*root;
-	struct dentry           *file;
-
-	root = debugfs_create_dir(dev_name(dwc->dev), NULL);
-	if (IS_ERR_OR_NULL(root)) {
-		if (!root)
-			dev_err(dwc->dev, "Can't create debugfs root\n");
-		return;
-	}
-	dwc->root = root;
 
 	dwc->regset = kzalloc(sizeof(*dwc->regset), GFP_KERNEL);
-	if (!dwc->regset) {
-		debugfs_remove_recursive(root);
+	if (!dwc->regset)
 		return;
-	}
 
 	dwc->regset->regs = dwc3_regs;
 	dwc->regset->nregs = ARRAY_SIZE(dwc3_regs);
 	dwc->regset->base = dwc->regs - DWC3_GLOBALS_REGS_START;
 
-	file = debugfs_create_regset32("regdump", S_IRUGO, root, dwc->regset);
-	if (!file)
-		dev_dbg(dwc->dev, "Can't create debugfs regdump\n");
+	root = debugfs_create_dir(dev_name(dwc->dev), NULL);
+	dwc->root = root;
+
+	debugfs_create_regset32("regdump", S_IRUGO, root, dwc->regset);
 
 	if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)) {
-		file = debugfs_create_file("mode", S_IRUGO | S_IWUSR, root,
-				dwc, &dwc3_mode_fops);
-		if (!file)
-			dev_dbg(dwc->dev, "Can't create debugfs mode\n");
+		debugfs_create_file("mode", S_IRUGO | S_IWUSR, root, dwc,
+				    &dwc3_mode_fops);
 	}
 
 	if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) ||
 			IS_ENABLED(CONFIG_USB_DWC3_GADGET)) {
-		file = debugfs_create_file("testmode", S_IRUGO | S_IWUSR, root,
-				dwc, &dwc3_testmode_fops);
-		if (!file)
-			dev_dbg(dwc->dev, "Can't create debugfs testmode\n");
-
-		file = debugfs_create_file("link_state", S_IRUGO | S_IWUSR,
-				root, dwc, &dwc3_link_state_fops);
-		if (!file)
-			dev_dbg(dwc->dev, "Can't create debugfs link_state\n");
-
+		debugfs_create_file("testmode", S_IRUGO | S_IWUSR, root, dwc,
+				    &dwc3_testmode_fops);
+		debugfs_create_file("link_state", S_IRUGO | S_IWUSR, root, dwc,
+				    &dwc3_link_state_fops);
 		dwc3_debugfs_create_endpoint_dirs(dwc, root);
 	}
 }