From 7bbcb919e32d776ca8ddce08abb391ab92eef6a9 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Tue, 20 Jul 2021 15:45:23 +0200
Subject: [PATCH] drm/panel: raspberrypi-touchscreen: Prevent double-free
Git-commit: 7bbcb919e32d776ca8ddce08abb391ab92eef6a9
Patch-mainline: v5.14-rc3
References: git-fixes

The mipi_dsi_device allocated by mipi_dsi_device_register_full() is
already free'd on release.

Fixes: 2f733d6194bd ("drm/panel: Add support for the Raspberry Pi 7" Touchscreen.")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210720134525.563936-9-maxime@cerno.tech
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
index 2229f1af2ca8..46029c5610c8 100644
--- a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
+++ b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
@@ -447,7 +447,6 @@ static int rpi_touchscreen_remove(struct i2c_client *i2c)
 	drm_panel_remove(&ts->base);
 
 	mipi_dsi_device_unregister(ts->dsi);
-	kfree(ts->dsi);
 
 	return 0;
 }
-- 
2.26.2