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Haotian Zhang 2e1c792990 rtc: amlogic-a4: fix double free caused by devm
[ Upstream commit 384150d7a5 ]

The clock obtained via devm_clk_get_enabled() is automatically managed
by devres and will be disabled and freed on driver detach. Manually
calling clk_disable_unprepare() in error path and remove function
causes double free.

Remove the redundant clk_disable_unprepare() calls from the probe
error path and aml_rtc_remove(), allowing the devm framework to
automatically manage the clock lifecycle.

Fixes: c89ac9182e ("rtc: support for the Amlogic on-chip RTC")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Reviewed-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://patch.msgid.link/20251021103559.1903-1-vulab@iscas.ac.cn
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-12-18 14:03:33 +01:00
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Linux kernel
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