gpio

diff --git a/kdev-gpio/kdev_gpio.c b/kdev-gpio/kdev_gpio.c
index 58f6d0210e975e034d103bcad6f33982680e4e91..b456c329288fd4167488c19e5bc94c503a58f9a7 100644 (file)
--- a/kdev-gpio/kdev_gpio.c
+++ b/kdev-gpio/kdev_gpio.c
@@ -38,7 +38,7 @@ static int __init kdev_gpio_init(void){
         return -1;
     }
     gd = gpiod_get(d, "GPIO88", 0);
-    if(gd == NULL){
+    if(IS_ERR(gd)){
         printk("failed to get desc\n");
         return -1;
     }