On Sun, Sep 20, 2020 at 10:28:38AM +0200, Pavel Machek wrote:
Date: Sun, 20 Sep 2020 10:28:38 +0200 From: Pavel Machek pavel@ucw.cz To: linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, dan.j.williams@intel.com, vkoul@kernel.org, ludovic.desroches@microchip.com, stable@vger.kernel.org, Greg KH greg@kroah.com Subject: [PATCH 4.19] dmaengine: at_hdmac: Fix memory leak
This fixes memory leak in at_hdmac. Mainline does not have the same problem.
Signed-off-by: Pavel Machek (CIP) pavel@denx.de
Acked-by: Ludovic Desroches ludovic.desroches@microchip.com
Thanks.
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 86427f6ba78c..0847b2055857 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -1714,8 +1714,10 @@ static struct dma_chan *at_dma_xlate(struct of_phandle_args *dma_spec, atslave->dma_dev = &dmac_pdev->dev; chan = dma_request_channel(mask, at_dma_filter, atslave);
- if (!chan)
- if (!chan) {
kfree(atslave);- }
atchan = to_at_dma_chan(chan); atchan->per_if = dma_spec->args[0] & 0xff;
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