PM / wakeirq: check that wake IRQ is valid before accepting it (6f9b36cd) · Commits · 戴 / test

Check that IRQ number passed to dev_pm_set_wake_irq() and dev_pm_set_dedicated_wake_irq() is valid (not negative) before accepting it. Signed-off-by:

drivers/base/power/wakeirq.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -68,6 +68,9 @@ int dev_pm_set_wake_irq(struct device *dev, int irq)
		struct wake_irq *wirq;
		int err;

		if (irq < 0)
		return -EINVAL;

		wirq = kzalloc(sizeof(*wirq), GFP_KERNEL);
		if (!wirq)
		return -ENOMEM;
		@@ -167,6 +170,9 @@ int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq)
		struct wake_irq *wirq;
		int err;

		if (irq < 0)
		return -EINVAL;

		wirq = kzalloc(sizeof(*wirq), GFP_KERNEL);
		if (!wirq)
		return -ENOMEM;