From eacb13018a63cd6b2bada89fe8fac14cd0826020 Mon Sep 17 00:00:00 2001
From: seantywork <seantywork@gmail.com>
Date: Fri, 14 Nov 2025 16:34:43 +0900
Subject: [PATCH] is err

---
 kdev-gpio/kdev_gpio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kdev-gpio/kdev_gpio.c b/kdev-gpio/kdev_gpio.c
index d12c8c5..68065e5 100644
--- a/kdev-gpio/kdev_gpio.c
+++ b/kdev-gpio/kdev_gpio.c
@@ -33,7 +33,7 @@ static int __init kdev_gpio_init(void){
         return -1;
     }
     d = container_of(&dn, struct device, of_node);
-    if(d == NULL){
+    if(IS_ERR(d)){
         printk("failed to get device from node\n");
         return -1;
     }
-- 
2.43.0