This is a note to let you know that I've just added the patch titled
drm/drv: propagate errors from drm_modeset_register_all()
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-drv-propagate-errors-from-drm_modeset_register_a.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3f05ba2a45d6e15d2062a5a5ff62bf801f841763
Author: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Date: Sun Dec 3 01:55:52 2023 +0300
drm/drv: propagate errors from drm_modeset_register_all()
[ Upstream commit 5f8dec200923a76dc57187965fd59c1136f5d085 ]
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")
Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Signed-off-by: Maxime Ripard <mripard@xxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20231202225552.1283638-1-dmitry.baryshkov@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 203bf8d6c34c..d41a5eaa3e89 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -895,8 +895,11 @@ 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,
@@ -906,6 +909,9 @@ 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_PRIMARY);
