gpiolib: gpio_name_to_desc: factor out !name check (ee203bbd) · Commits · 戴 / test

Since name == NULL can't ever match, move the check out of IRQ-disabled region. Signed-off-by:

drivers/gpio/gpiolib.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -301,6 +301,9 @@ static struct gpio_desc gpio_name_to_desc(const char const name)
		struct gpio_device *gdev;
		unsigned long flags;

		if (!name)
		return NULL;

		spin_lock_irqsave(&gpio_lock, flags);

		list_for_each_entry(gdev, &gpio_devices, list) {
		@@ -309,7 +312,7 @@ static struct gpio_desc gpio_name_to_desc(const char const name)
		for (i = 0; i != gdev->ngpio; ++i) {
		struct gpio_desc *desc = &gdev->descs[i];

		if (!desc->name \|\| !name)
		if (!desc->name)
		continue;

		if (!strcmp(desc->name, name)) {