[PATCH] drm/panel: lg-sw43408: Fix an error handling path in sw43408_probe()

[Christophe JAILLET]

If mipi_dsi_attach() fails, we must undo the drm_panel_add() call hidden in
sw43408_add(), as already done in the remove function.

Fixes: 069a6c0e94f9 ("drm: panel: Add LG sw43408 panel driver")
Signed-off-by: Christophe JAILLET <christophe.jail...@wanadoo.fr>
---
Compile tested only
---
 drivers/gpu/drm/panel/panel-lg-sw43408.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-lg-sw43408.c 
b/drivers/gpu/drm/panel/panel-lg-sw43408.c
index 115f4702d59f..27f2ad788d38 100644
--- a/drivers/gpu/drm/panel/panel-lg-sw43408.c
+++ b/drivers/gpu/drm/panel/panel-lg-sw43408.c
@@ -286,7 +286,15 @@ static int sw43408_probe(struct mipi_dsi_device *dsi)
 
        dsi->dsc = &ctx->dsc;
 
-       return mipi_dsi_attach(dsi);
+       ret = mipi_dsi_attach(dsi);
+       if (ret < 0)
+               goto err_remove_panel;
+
+       return 0;
+
+err_remove_panel:
+       drm_panel_remove(&ctx->base);
+       return ret;
 }
 
 static void sw43408_remove(struct mipi_dsi_device *dsi)
-- 
2.45.1