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dmaengine: at_hdmac: add missing kfree() call in at_dma_xlate()
author
Yu Kuai
<yukuai3@huawei.com>
Mon, 17 Aug 2020 11:57:28 +0000
(19:57 +0800)
committer
Vinod Koul
<vkoul@kernel.org>
Wed, 19 Aug 2020 04:28:38 +0000
(09:58 +0530)
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>
drivers/dma/at_hdmac.c
patch
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diff --git
a/drivers/dma/at_hdmac.c
b/drivers/dma/at_hdmac.c
index
bf87436
..
a2cf25c
100644
(file)
--- 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;
}