Re: [PATCH -next] dmaengine: ti: edma: Fix error return code in edma_probe()

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On 12/12/2019 13.46, Wei Yongjun wrote:
> Fix to return negative error code -ENOMEM from the error handling
> case instead of 0, as done elsewhere in this function.

Acked-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>

> 
> Fixes: 2a03c1314506 ("dmaengine: ti: edma: add missed operations")
> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
> ---
>  drivers/dma/ti/edma.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
> index 0628ee4bf1b4..03a7f647f7b2 100644
> --- a/drivers/dma/ti/edma.c
> +++ b/drivers/dma/ti/edma.c
> @@ -2342,8 +2342,10 @@ static int edma_probe(struct platform_device *pdev)
>  	ecc->channels_mask = devm_kcalloc(dev,
>  					   BITS_TO_LONGS(ecc->num_channels),
>  					   sizeof(unsigned long), GFP_KERNEL);
> -	if (!ecc->slave_chans || !ecc->slot_inuse || !ecc->channels_mask)
> +	if (!ecc->slave_chans || !ecc->slot_inuse || !ecc->channels_mask) {
> +		ret = -ENOMEM;
>  		goto err_disable_pm;
> +	}
>  
>  	/* Mark all channels available initially */
>  	bitmap_fill(ecc->channels_mask, ecc->num_channels);
> 
> 
> 

- Péter

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