drm: fix return value check
class_create() and class_device_create() return error code as a pointer on
failure. These return values need to be checked by IS_ERR().
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/drm_sysfs.c b/drivers/char/drm/drm_sysfs.c
index ba4b8de..cc8e2eb 100644
--- a/drivers/char/drm/drm_sysfs.c
+++ b/drivers/char/drm/drm_sysfs.c
@@ -45,8 +45,8 @@
int err;
class = class_create(owner, name);
- if (!class) {
- err = -ENOMEM;
+ if (IS_ERR(class)) {
+ err = PTR_ERR(class);
goto err_out;
}
@@ -113,8 +113,8 @@
MKDEV(DRM_MAJOR, head->minor),
&(head->dev->pdev)->dev,
"card%d", head->minor);
- if (!class_dev) {
- err = -ENOMEM;
+ if (IS_ERR(class_dev)) {
+ err = PTR_ERR(class_dev);
goto err_out;
}