From: Yu Kuai yukuai3@huawei.com
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: bbe89c8e3d59 ("at_hdmac: move to generic DMA binding") Signed-off-by: Yu Kuai yukuai3@huawei.com Link: https://lore.kernel.org/r/20200817115728.1706719-4-yukuai3@huawei.com Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/dma/at_hdmac.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -1708,6 +1708,7 @@ static struct dma_chan *at_dma_xlate(str chan = dma_request_channel(mask, at_dma_filter, atslave); if (!chan) { put_device(&dmac_pdev->dev); + kfree(atslave); return NULL; }