[PATCH] drm/sun4i: Fix pdev reference leak in sun8i_r40_tcon_tv_set_mux()
From: Wentao Liang <hidden>
Date: 2026-09-16 18:24:47
Also in:
dri-devel, linux-sunxi, lkml, stable
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for allwinner a10, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Chen-Yu Tsai, Linus Torvalds
of_find_device_by_node() takes a reference to the TCON TOP device
which the error paths release, but the success path returns without
doing so. Drop the reference before returning success.
Fixes: 0305189afb32 ("drm/sun4i: tcon: Add support for R40 TCON")
Cc: stable@vger.kernel.org
Signed-off-by: Wentao Liang <redacted>
---
drivers/gpu/drm/sun4i/sun4i_tcon.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 960e83c8291d..07350361fc4b 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c@@ -1444,6 +1444,8 @@ static int sun8i_r40_tcon_tv_set_mux(struct sun4i_tcon *tcon, } } + put_device(&pdev->dev); + return 0; }
--
2.34.1