serial: 8250-mtk: Fix reference leak in mtk8250_probe

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[ Upstream commit 6e4e636e0e ]

The pm_runtime_enable will increase power disable depth.
Thus a pairing decrement is needed on the error handling
path to keep it balanced according to context.

Fixes: e32a83c70c ("serial: 8250-mtk: modify mtk uart power and clock management")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201119141126.168850-1-zhangqilong3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Zhang Qilong 2020-11-19 22:11:26 +08:00 • committed by Greg Kroah-Hartman

parent af7ae24594

commit 048a04aa03

1 changed files with 10 additions and 3 deletions

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drivers/tty/serial/8250/8250_mtk.c

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