Johan Hovold 748ed1b6a2 drm: sti: fix device leaks at component probe
commit 620a8f131154250f6a64a07d049a4f235d6451a5 upstream.

Make sure to drop the references taken to the vtg devices by
of_find_device_by_node() when looking up their driver data during
component probe.

Note that holding a reference to a platform device does not prevent its
driver data from going away so there is no point in keeping the
reference after the lookup helper returns.

Fixes: cc6b741c6f ("drm: sti: remove useless fields from vtg structure")
Cc: stable@vger.kernel.org	# 4.16
Cc: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20250922122012.27407-1-johan@kernel.org
Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-12-07 06:18:53 +09:00
2022-09-28 09:02:20 +02:00
2025-12-01 11:41:54 +01:00

Linux kernel
============

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