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usb: dwc3: debugfs: fix error check

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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: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2012-01-31 13:33:32 +02:00
parent 45b3cd4ad7
commit 3d4c0d4ffb
1 changed files with 10 additions and 10 deletions
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20
drivers/usb/dwc3/debugfs.c
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@ -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;
}