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Diffstat (limited to 'linux-core/drm_sysfs.c')
-rw-r--r--linux-core/drm_sysfs.c35
1 files changed, 27 insertions, 8 deletions
diff --git a/linux-core/drm_sysfs.c b/linux-core/drm_sysfs.c
index ace0778b..1090e719 100644
--- a/linux-core/drm_sysfs.c
+++ b/linux-core/drm_sysfs.c
@@ -93,11 +93,15 @@ struct drm_sysfs_class *drm_sysfs_create(struct module *owner, char *name)
retval = class_register(&cs->class);
if (retval)
goto error;
- class_create_file(&cs->class, &class_attr_version);
+ retval = class_create_file(&cs->class, &class_attr_version);
+ if (retval)
+ goto error_with_class;
return cs;
- error:
+ error_with_class:
+ class_unregister(&cs->class);
+ error:
kfree(cs);
return ERR_PTR(retval);
}
@@ -119,7 +123,7 @@ void drm_sysfs_destroy(struct drm_sysfs_class *cs)
static ssize_t show_dri(struct class_device *class_device, char *buf)
{
- drm_device_t * dev = ((drm_head_t *)class_get_devdata(class_device))->dev;
+ struct drm_device * dev = ((struct drm_head *)class_get_devdata(class_device))->dev;
if (dev->driver->dri_library_name)
return dev->driver->dri_library_name(dev, buf);
return snprintf(buf, PAGE_SIZE, "%s\n", dev->driver->pci_driver.name);
@@ -144,7 +148,7 @@ static struct class_device_attribute class_device_attrs[] = {
* created with a call to drm_sysfs_create().
*/
struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs,
- drm_head_t * head)
+ struct drm_head * head)
{
struct simple_dev *s_dev = NULL;
int i, retval;
@@ -170,16 +174,31 @@ struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs,
if (retval)
goto error;
- class_device_create_file(&s_dev->class_dev, &cs->attr);
+ retval = class_device_create_file(&s_dev->class_dev, &cs->attr);
+ if (retval)
+ goto error_with_device;
+
class_set_devdata(&s_dev->class_dev, head);
- for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++)
- class_device_create_file(&s_dev->class_dev, &class_device_attrs[i]);
+ for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) {
+ retval = class_device_create_file(&s_dev->class_dev,
+ &class_device_attrs[i]);
+ if (retval)
+ goto error_with_files;
+ }
return &s_dev->class_dev;
-error:
+ error_with_files:
+ while (i > 0)
+ class_device_remove_file(&s_dev->class_dev,
+ &class_device_attrs[--i]);
+ class_device_remove_file(&s_dev->class_dev, &cs->attr);
+ error_with_device:
+ class_device_unregister(&s_dev->class_dev);
+ error:
kfree(s_dev);
+
return ERR_PTR(retval);
}