This patch fixes the mishandling of the return values of class_create
and class_device_create in drivers/char/drm/drm_sys.c. These two
functions do not return NULL on error.
--- linux-2.6/drivers/char/drm/drm_sysfs.c.orig
+++ linux-2.6/drivers/char/drm/drm_sysfs.c
@@ -45,7 +45,7 @@ struct class *drm_sysfs_create(struct mo
struct class *class;
class = class_create(owner, name);
- if (!class)
+ if (IS_ERR(class))
return class;
class_create_file(class, &class_attr_version);
@@ -103,8 +103,8 @@ struct class_device *drm_sysfs_device_ad
MKDEV(DRM_MAJOR, head->minor),
&(head->dev->pdev)->dev,
"card%d", head->minor);
- if (!class_dev)
- return NULL;
+ if (IS_ERR(class_dev))
+ return class_dev;
class_set_devdata(class_dev, head);
--
Chris Lesiak
[EMAIL PROTECTED]
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