diff mbox series

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

Message ID 20201219124718.182664-1-christophe.jaillet@wanadoo.fr (mailing list archive)
State Accepted
Headers show
Series dmaengine: mediatek: mtk-hsdma: Fix a resource leak in the error handling path of the probe function | expand

Commit Message

Christophe JAILLET Dec. 19, 2020, 12:47 p.m. UTC
'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: 548c4597e984 ("dmaengine: mediatek: Add MediaTek High-Speed DMA controller for MT7622 and MT7623 SoC")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
'mtk_hsdma_hw_init()' can return an error code, it could be good to check
it as well.
---
 drivers/dma/mediatek/mtk-hsdma.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Vinod Koul Dec. 21, 2020, 2:22 p.m. UTC | #1
On 19-12-20, 13:47, Christophe JAILLET wrote:
> '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.

Applied, thanks
diff mbox series

Patch

diff --git a/drivers/dma/mediatek/mtk-hsdma.c b/drivers/dma/mediatek/mtk-hsdma.c
index f133ae8dece1..6ad8afbb95f2 100644
--- a/drivers/dma/mediatek/mtk-hsdma.c
+++ b/drivers/dma/mediatek/mtk-hsdma.c
@@ -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);