From: Peter Ujfalusi <peter.ujfalusi@xxxxxx> [ Upstream commit 7ad9db66fafb0f0ad53fd2a66217105da5ddeffe ] In case mipi_dsi_attach() fails remove the registered panel to avoid added panel without corresponding device. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20190226081153.31334-1-peter.ujfalusi@xxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpu/drm/panel/panel-simple.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 5b2a9f97ff04..68a2b25deb50 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -1944,7 +1944,14 @@ static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi) dsi->format = desc->format; dsi->lanes = desc->lanes; - return mipi_dsi_attach(dsi); + err = mipi_dsi_attach(dsi); + if (err) { + struct panel_simple *panel = dev_get_drvdata(&dsi->dev); + + drm_panel_remove(&panel->base); + } + + return err; } static int panel_simple_dsi_remove(struct mipi_dsi_device *dsi) -- 2.20.1
