[PATCH] wifi: mt76: mt7996: Fix null-ptr-deref in mt7996_mmio_wed_init()

[Markus Elfring]

…
> 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