diff options
Diffstat (limited to 'drivers/input/imx_keypad.c')
| -rw-r--r-- | drivers/input/imx_keypad.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/imx_keypad.c b/drivers/input/imx_keypad.c index afe93c3127..c67deb8d49 100644 --- a/drivers/input/imx_keypad.c +++ b/drivers/input/imx_keypad.c @@ -47,6 +47,7 @@ #include <kfifo.h> #include <malloc.h> #include <matrix_keypad.h> +#include <linux/err.h> /* * Keypad Controller registers (halfword) @@ -401,6 +402,8 @@ static int __init imx_keypad_probe(struct device_d *dev) keypad->dev = dev; keypad->mmio_base = dev_request_mem_region(dev, 0); + if (IS_ERR(keypad->mmio_base)) + return PTR_ERR(keypad->mmio_base); if(!keypad->fifo_size) keypad->fifo_size = 50; |