| Message ID | 20200713033313.21487-1-vulab@iscas.ac.cn |
|---|---|
| State | Accepted, archived |
| Headers | show |
| Series | fsi: fsi-occ: fix return value check in occ_probe() | expand |
On 7/12/20 8:33 PM, Xu Wang wrote: > In case of error, the function platform_device_register_full() > returns ERR_PTR() and never returns NULL. The NULL test in the > return value check should be replaced with IS_ERR(). > > Signed-off-by: Xu Wang <vulab@iscas.ac.cn> Reviewed-by: Guenter Roeck <linux@roeck-us.net> > --- > drivers/fsi/fsi-occ.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/fsi/fsi-occ.c b/drivers/fsi/fsi-occ.c > index 7da9c81759ac..9eeb856c8905 100644 > --- a/drivers/fsi/fsi-occ.c > +++ b/drivers/fsi/fsi-occ.c > @@ -555,7 +555,7 @@ static int occ_probe(struct platform_device *pdev) > > hwmon_dev_info.id = occ->idx; > hwmon_dev = platform_device_register_full(&hwmon_dev_info); > - if (!hwmon_dev) > + if (IS_ERR(hwmon_dev)) > dev_warn(dev, "failed to create hwmon device\n"); > > return 0; >
diff --git a/drivers/fsi/fsi-occ.c b/drivers/fsi/fsi-occ.c index 7da9c81759ac..9eeb856c8905 100644 --- a/drivers/fsi/fsi-occ.c +++ b/drivers/fsi/fsi-occ.c @@ -555,7 +555,7 @@ static int occ_probe(struct platform_device *pdev) hwmon_dev_info.id = occ->idx; hwmon_dev = platform_device_register_full(&hwmon_dev_info); - if (!hwmon_dev) + if (IS_ERR(hwmon_dev)) dev_warn(dev, "failed to create hwmon device\n"); return 0;
In case of error, the function platform_device_register_full() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Signed-off-by: Xu Wang <vulab@iscas.ac.cn> --- drivers/fsi/fsi-occ.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)