[3/8] input: gpio_keys_polled: avoid possible division by zero

Commit Message

Gabor Juhos Nov. 30, 2010, 6:44 p.m. UTC

None

Patch

diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c
index 5275c9e..9636c2f 100644
--- a/drivers/input/keyboard/gpio_keys_polled.c
+++ b/drivers/input/keyboard/gpio_keys_polled.c
@@ -114,8 +114,8 @@  static int __devinit gpio_keys_polled_probe(struct platform_device *pdev)
 	int error;
 	int i;
 
-	if (!pdata)
-		return -ENXIO;
+	if (!pdata || !pdata->poll_interval)
+		return -EINVAL;
 
 	bdev = kzalloc(sizeof(struct gpio_keys_polled_dev) +
 		       pdata->nbuttons * sizeof(struct gpio_keys_button_data),