Re: [PATCH] dmaengine: ti: Fix a memory leak bug

[Peter Ujfalusi]

On 16/08/2019 9.23, Wenwen Wang wrote:
> In ti_dra7_xbar_probe(), 'rsv_events' is allocated through kcalloc(). Then
> of_property_read_u32_array() is invoked to search for the property.
> However, if this process fails, 'rsv_events' is not deallocated, leading to
> a memory leak bug. To fix this issue, free 'rsv_events' before returning
> the error.

Can you change the subject to:
"dmaengine: ti: dma-crossbar: Fix a memory leak bug" ?

Otherwise: Thank you, and
Acked-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>

> 
> Signed-off-by: Wenwen Wang <wenwen@xxxxxxxxxx>
> ---
>  drivers/dma/ti/dma-crossbar.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/ti/dma-crossbar.c b/drivers/dma/ti/dma-crossbar.c
> index ad2f0a4..f255056 100644
> --- a/drivers/dma/ti/dma-crossbar.c
> +++ b/drivers/dma/ti/dma-crossbar.c
> @@ -391,8 +391,10 @@ static int ti_dra7_xbar_probe(struct platform_device *pdev)
>  
>  		ret = of_property_read_u32_array(node, pname, (u32 *)rsv_events,
>  						 nelm * 2);
> -		if (ret)
> +		if (ret) {
> +			kfree(rsv_events);
>  			return ret;
> +		}
>  
>  		for (i = 0; i < nelm; i++) {
>  			ti_dra7_xbar_reserve(rsv_events[i][0], rsv_events[i][1],
> 

- PÃter

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