diff options
| -rw-r--r-- | linux/drivers/media/video/saa7164/saa7164-core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/linux/drivers/media/video/saa7164/saa7164-core.c b/linux/drivers/media/video/saa7164/saa7164-core.c index 716b82780..bf347fb0e 100644 --- a/linux/drivers/media/video/saa7164/saa7164-core.c +++ b/linux/drivers/media/video/saa7164/saa7164-core.c @@ -161,6 +161,12 @@ static irqreturn_t saa7164_irq(int irq, void *dev_id) u32 intstat[INT_SIZE/4]; int i, handled = 0, bit; + if (dev == 0) { + printk(KERN_ERR "%s() No device specified\n", __func__); + handled = 0; + goto out; + } + /* Check that the hardware is accessable. If the status bytes are * 0xFF then the device is not accessable, the the IRQ belongs * to another driver. |