From: Yu Kuai <yukuai3@xxxxxxxxxx>
[ Upstream commit e097eb7473d9e70da9e03276f61cd392ccb9d79f ]
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@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20200817115728.1706719-4-yukuai3@xxxxxxxxxx
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/dma/at_hdmac.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index c91642b5f1037..626819b33a325 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -1691,6 +1691,7 @@ 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;
}
--
2.25.1
