This is a note to let you know that I've just added the patch titled
drm/panel/panel-sitronix-st7701: Remove panel on DSI attach failure
to the 5.4-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-panel-panel-sitronix-st7701-remove-panel-on-dsi-.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c5ddb3809aecfa18fece891d5716a78b40021724
Author: Marek Vasut <marex@xxxxxxx>
Date: Sat Oct 15 01:11:06 2022 +0200
drm/panel/panel-sitronix-st7701: Remove panel on DSI attach failure
[ Upstream commit c62102165dd79284d42383d2f7ed17301bd8e629 ]
In case mipi_dsi_attach() fails, call drm_panel_remove() to
avoid memory leak.
Fixes: 849b2e3ff969 ("drm/panel: Add Sitronix ST7701 panel driver")
Signed-off-by: Marek Vasut <marex@xxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20221014231106.468063-1-marex@xxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7701.c b/drivers/gpu/drm/panel/panel-sitronix-st7701.c
index 09c5d9a6f9fa..638f605acb2d 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7701.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7701.c
@@ -392,7 +392,15 @@ static int st7701_dsi_probe(struct mipi_dsi_device *dsi)
st7701->dsi = dsi;
st7701->desc = desc;
- return mipi_dsi_attach(dsi);
+ ret = mipi_dsi_attach(dsi);
+ if (ret)
+ goto err_attach;
+
+ return 0;
+
+err_attach:
+ drm_panel_remove(&st7701->panel);
+ return ret;
}
static int st7701_dsi_remove(struct mipi_dsi_device *dsi)
