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linux/drivers/firmware/meson
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Johan Hovold 6afea664e9 firmware: meson_sm: fix device leak at probe 
commit 8ece3173f8 upstream.

Make sure to drop the reference to the secure monitor device taken by
of_find_device_by_node() when looking up its driver data on behalf of
other drivers (e.g. during probe).

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

Fixes: 8cde3c2153 ("firmware: meson_sm: Rework driver as a proper platform driver")
Cc: stable@vger.kernel.org	# 5.5
Cc: Carlo Caione <ccaione@baylibre.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20250725074019.8765-1-johan@kernel.org
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-10-19 16:37:20 +02:00
..
Kconfig firmware: firmware: meson-sm: fix compile-test default 2025-10-15 12:03:27 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
meson_sm.c firmware: meson_sm: fix device leak at probe 2025-10-19 16:37:20 +02:00