From: Wei Yongjun <[email protected]>
In case of error, the function c2port_device_register() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should be
replaced with IS_ERR().
Signed-off-by: Wei Yongjun <[email protected]>
---
drivers/misc/c2port/c2port-duramar2150.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/c2port/c2port-duramar2150.c b/drivers/misc/c2port/c2port-duramar2150.c
index 5484301..3dc61ea 100644
--- a/drivers/misc/c2port/c2port-duramar2150.c
+++ b/drivers/misc/c2port/c2port-duramar2150.c
@@ -129,8 +129,8 @@ static int __init duramar2150_c2port_init(void)
duramar2150_c2port_dev = c2port_device_register("uc",
&duramar2150_c2port_ops, NULL);
- if (!duramar2150_c2port_dev) {
- ret = -ENODEV;
+ if (IS_ERR(duramar2150_c2port_dev)) {
+ ret = PTR_ERR(duramar2150_c2port_dev);
goto free_region;
}