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Diffstat (limited to 'drivers/gpu/drm/drm_sysfs.c')
| -rw-r--r-- | drivers/gpu/drm/drm_sysfs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index 45cf1dd3eb9..45ac8d6c92b 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -134,6 +134,7 @@ void drm_sysfs_destroy(void) return; class_remove_file(drm_class, &class_attr_version.attr); class_destroy(drm_class); + drm_class = NULL; } /** @@ -554,6 +555,9 @@ void drm_sysfs_device_remove(struct drm_minor *minor) int drm_class_device_register(struct device *dev) { + if (!drm_class || IS_ERR(drm_class)) + return -ENOENT; + dev->class = drm_class; return device_register(dev); } |