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Commit 7d543d23 authored by Yu Kuai's avatar Yu Kuai Committed by Greg Kroah-Hartman
Browse files

dmaengine: at_hdmac: add missing kfree() call in at_dma_xlate() 



commit e097eb7473d9e70da9e03276f61cd392ccb9d79f upstream.

If memory allocation for 'atslave' succeed, at_dma_xlate() doesn't have a
corresponding kfree() in exception handling. Thus add kfree() for this
function implementation.

Fixes: bbe89c8e ("at_hdmac: move to generic DMA binding")
Signed-off-by: default avatarYu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20200817115728.1706719-4-yukuai3@huawei.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7dbe15ab

drivers/dma/at_hdmac.c

+1 −0
Original line number Diff line number Diff line
@@ -1718,6 +1718,7 @@ static struct dma_chan *at_dma_xlate(struct of_phandle_args *dma_spec, 
	chan = dma_request_channel(mask, at_dma_filter, atslave);

	if (!chan) {

		put_device(&dmac_pdev->dev);

		kfree(atslave);

		return NULL;

	}