Commit 6f9b36cd authored by Dmitry Torokhov's avatar Dmitry Torokhov Committed by Rafael J. Wysocki

PM / wakeirq: check that wake IRQ is valid before accepting it

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: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent d439e64f
...@@ -68,6 +68,9 @@ int dev_pm_set_wake_irq(struct device *dev, int irq) ...@@ -68,6 +68,9 @@ int dev_pm_set_wake_irq(struct device *dev, int irq)
struct wake_irq *wirq; struct wake_irq *wirq;
int err; int err;
if (irq < 0)
return -EINVAL;
wirq = kzalloc(sizeof(*wirq), GFP_KERNEL); wirq = kzalloc(sizeof(*wirq), GFP_KERNEL);
if (!wirq) if (!wirq)
return -ENOMEM; return -ENOMEM;
...@@ -167,6 +170,9 @@ int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq) ...@@ -167,6 +170,9 @@ int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq)
struct wake_irq *wirq; struct wake_irq *wirq;
int err; int err;
if (irq < 0)
return -EINVAL;
wirq = kzalloc(sizeof(*wirq), GFP_KERNEL); wirq = kzalloc(sizeof(*wirq), GFP_KERNEL);
if (!wirq) if (!wirq)
return -ENOMEM; return -ENOMEM;
......
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