Commit 3d4c0d4f authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: dwc3: debugfs: fix error check 



debugfs APIs will return NULL if it fails
to create the file/directory we ask it to
create.

Instead of checking for IS_ERR(ptr) we must
check for !ptr.

Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 45b3cd4a

drivers/usb/dwc3/debugfs.c

+10 −10
Original line number Diff line number Diff line
@@ -659,8 +659,8 @@ int __devinit dwc3_debugfs_init(struct dwc3 *dwc) 
	int			ret;



	root = debugfs_create_dir(dev_name(dwc->dev), NULL);

	if (IS_ERR(root)) {

		ret = PTR_ERR(root);

	if (!root) {

		ret = -ENOMEM;

		goto err0;

	}
@@ -668,29 +668,29 @@ int __devinit dwc3_debugfs_init(struct dwc3 *dwc) 


	file = debugfs_create_file("regdump", S_IRUGO, root, dwc,

			&dwc3_regdump_fops);

	if (IS_ERR(file)) {

		ret = PTR_ERR(file);

	if (!file) {

		ret = -ENOMEM;

		goto err1;

	}



	file = debugfs_create_file("mode", S_IRUGO | S_IWUSR, root,

			dwc, &dwc3_mode_fops);

	if (IS_ERR(file)) {

		ret = PTR_ERR(file);

	if (!file) {

		ret = -ENOMEM;

		goto err1;

	}



	file = debugfs_create_file("testmode", S_IRUGO | S_IWUSR, root,

			dwc, &dwc3_testmode_fops);

	if (IS_ERR(file)) {

		ret = PTR_ERR(file);

	if (!file) {

		ret = -ENOMEM;

		goto err1;

	}



	file = debugfs_create_file("link_state", S_IRUGO | S_IWUSR, root,

			dwc, &dwc3_link_state_fops);

	if (IS_ERR(file)) {

		ret = PTR_ERR(file);

	if (!file) {

		ret = -ENOMEM;

		goto err1;

	}