diff options
Diffstat (limited to 'drivers/gpio/gpio-xilinx.c')
| -rw-r--r-- | drivers/gpio/gpio-xilinx.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c index acd574779ca6..b411d3156e0b 100644 --- a/drivers/gpio/gpio-xilinx.c +++ b/drivers/gpio/gpio-xilinx.c @@ -589,6 +589,9 @@ static int xgpio_probe(struct platform_device *pdev) if (of_property_read_u32(np, "xlnx,gpio-width", &chip->gpio_width[0])) chip->gpio_width[0] = 32; + if (chip->gpio_width[0] > 32) + return -EINVAL; + spin_lock_init(&chip->gpio_lock); if (of_property_read_u32(np, "xlnx,is-dual", &is_dual)) @@ -613,6 +616,8 @@ static int xgpio_probe(struct platform_device *pdev) &chip->gpio_width[1])) chip->gpio_width[1] = 32; + if (chip->gpio_width[1] > 32) + return -EINVAL; } chip->gc.base = -1; |