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dmaengine: mediatek: mtk-hsdma: Fix a resource leak in the error handling path of the probe function

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commit 33cbd54dc5 upstream.

'mtk_hsdma_hw_deinit()' should be called in the error handling path of the
probe function to undo a previous 'mtk_hsdma_hw_init()' call, as already
done in the remove function.

Fixes: 548c4597e9 ("dmaengine: mediatek: Add MediaTek High-Speed DMA controller for MT7622 and MT7623 SoC")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20201219124718.182664-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christophe JAILLET
2020-12-19 13:47:18 +01:00
committed by Greg Kroah-Hartman
parent fcd04aa9b5
commit ceb97fbe48
1 changed files with 1 additions and 0 deletions
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drivers/dma/mediatek/mtk-hsdma.c
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@@ -1007,6 +1007,7 @@ static int mtk_hsdma_probe(struct platform_device *pdev)
return 0;
err_free:
mtk_hsdma_hw_deinit(hsdma);
of_dma_controller_free(pdev->dev.of_node);
err_unregister:
dma_async_device_unregister(dd);