diff mbox series

[3/3] dmaengine: at_hdmac: add missing kfree() call in at_dma_xlate()

Message ID 20200817115728.1706719-4-yukuai3@huawei.com (mailing list archive)
State New, archived
Headers show
Series do exception handling appropriately in at_dma_xlate() | expand

Commit Message

Yu Kuai Aug. 17, 2020, 11:57 a.m. UTC 
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>
---
 drivers/dma/at_hdmac.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index bf874367097c..a2cf25c6e3b3 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;
 	}