… > Add NULL check after devm_ioremap() to prevent this issue. Can a summary phrase like “Prevent null pointer dereference in mt7996_mmio_wed_init()” be a bit nicer? … > +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c > @@ -323,6 +323,8 @@ int mt7996_mmio_wed_init(struct mt7996_dev *dev, void *pdev_ptr, > wed->wlan.base = devm_ioremap(dev->mt76.dev, > pci_resource_start(pci_dev, 0), > pci_resource_len(pci_dev, 0)); > + if (!wed->wlan.base) > + return -ENOMEM; Can a blank line be desirable after such a statement? Regards, Markus