Commit 1222934e authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Vinod Koul
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dmaengine: dw: check return code of dma_async_device_register() 



dma_async_device_register() may return non-zero error code. In such case we
have to follow error path.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 8be4f523

drivers/dma/dw/core.c

+6 −2
Original line number Diff line number Diff line
@@ -1659,13 +1659,17 @@ int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata) 


	dma_writel(dw, CFG, DW_CFG_DMA_EN);



	err = dma_async_device_register(&dw->dma);

	if (err)

		goto err_dma_register;



	dev_info(chip->dev, "DesignWare DMA Controller, %d channels\n",

		 nr_channels);



	dma_async_device_register(&dw->dma);



	return 0;



err_dma_register:

	free_irq(chip->irq, dw);

err_pdata:

	clk_disable_unprepare(dw->clk);

	return err;