diff options
Diffstat (limited to 'drivers/base/platform.c')
| -rw-r--r-- | drivers/base/platform.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 44c9d4daf510..c4af00385502 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -108,9 +108,14 @@ int platform_get_irq(struct platform_device *dev, unsigned int num) * IORESOURCE_BITS correspond 1-to-1 to the IRQF_TRIGGER* * settings. */ - if (r && r->flags & IORESOURCE_BITS) - irqd_set_trigger_type(irq_get_irq_data(r->start), - r->flags & IORESOURCE_BITS); + if (r && r->flags & IORESOURCE_BITS) { + struct irq_data *irqd; + + irqd = irq_get_irq_data(r->start); + if (!irqd) + return -ENXIO; + irqd_set_trigger_type(irqd, r->flags & IORESOURCE_BITS); + } return r ? r->start : -ENXIO; #endif |