On 21/05/2023 19:34, Dmitry Baryshkov wrote:
In case the drm_modeset_register_all() function fails, its error code
will be ignored. Instead make the drm_dev_register() bail out in case of
such an error.
Fixes: 79190ea2658a ("drm: Add callbacks for late registering")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
drivers/gpu/drm/drm_drv.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index c6eb8972451a..dc4a496795ee 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -938,8 +938,11 @@ int drm_dev_register(struct drm_device *dev, unsigned long flags)
goto err_minors;
}
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- drm_modeset_register_all(dev);
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ ret = drm_modeset_register_all(dev);
+ if (ret)
+ goto err_unload;
+ }
DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n",
driver->name, driver->major, driver->minor,
@@ -949,6 +952,9 @@ int drm_dev_register(struct drm_device *dev, unsigned long flags)
goto out_unlock;
+err_unload:
+ if (dev->driver->unload)
+ dev->driver->unload(dev);
err_minors:
remove_compat_control_link(dev);
drm_minor_unregister(dev, DRM_MINOR_ACCEL);
Looks sane to report this error:
Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
