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dmaengine: ste_dma40: Fix PM disable depth imbalance in d40_probe 

[ Upstream commit 0618c077a8 ]

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.
We fix it by calling pm_runtime_disable when error returns.

Signed-off-by: Zhang Shurong <zhang_shurong@foxmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/tencent_DD2D371DB5925B4B602B1E1D0A5FA88F1208@qq.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhang Shurong 2023-10-05 22:28:35 +08:00 committed by Greg Kroah-Hartman
parent 9ef4697548
commit 96c7aac8d8
1 changed files with 1 additions and 0 deletions
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drivers/dma/ste_dma40.c
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@ -3697,6 +3697,7 @@ static int __init d40_probe(struct platform_device *pdev)
regulator_disable(base->lcpa_regulator);
regulator_put(base->lcpa_regulator);
}
pm_runtime_disable(base->dev);
kfree(base->lcla_pool.alloc_map);
kfree(base->lookup_log_chans);