[PATCH 3/5] dmaengine: bcm2835-dma: Fix memory leak when stopping a running transfer

Vinod Koul vinod.koul at intel.com
Mon Mar 30 10:48:56 PDT 2015


On Fri, Mar 27, 2015 at 01:35:53PM +0200, Peter Ujfalusi wrote:
> The vd->node is removed from the lists when the transfer started so the
> vchan_get_all_descriptors() will not find it. This results memory leak.
> 
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
> CC: Stephen Warren <swarren at wwwdotorg.org>
> CC: Lee Jones <lee at kernel.org>
Applied, thanks

-- 
~Vinod

> ---
>  drivers/dma/bcm2835-dma.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c
> index 0723096fb50a..c92d6a70ccf3 100644
> --- a/drivers/dma/bcm2835-dma.c
> +++ b/drivers/dma/bcm2835-dma.c
> @@ -475,6 +475,7 @@ static int bcm2835_dma_terminate_all(struct dma_chan *chan)
>  	 * c->desc is NULL and exit.)
>  	 */
>  	if (c->desc) {
> +		bcm2835_dma_desc_free(&c->desc->vd);
>  		c->desc = NULL;
>  		bcm2835_dma_abort(c->chan_base);
>  
> -- 
> 2.3.3
> 

-- 



More information about the linux-arm-kernel mailing list