static struct resource *gpio_nand_get_io_sync_of(struct platform_device *pdev)
{
- struct resource *r = devm_kzalloc(&pdev->dev, sizeof(*r), GFP_KERNEL);
+ struct resource *r;
u64 addr;
- if (!r || of_property_read_u64(pdev->dev.of_node,
+ if (of_property_read_u64(pdev->dev.of_node,
"gpio-control-nand,io-sync-reg", &addr))
return NULL;
+ r = devm_kzalloc(&pdev->dev, sizeof(*r), GFP_KERNEL);
+ if (!r)
+ return NULL;
+
r->start = addr;
r->end = r->start + 0x3;
r->flags = IORESOURCE_MEM;