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authorMiaoqian Lin <linmq006@gmail.com>2022-06-05 07:27:23 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-07-12 17:32:23 +0300
commit37147e22cd8dfc0412495cb361708836157a4486 (patch)
tree72985a70c59fae5701ce70dc2007a2091123e8f8 /drivers/dma/ti
parent1be247db203ed5cdd1bbd2c2588cef2185600531 (diff)
downloadlinux-37147e22cd8dfc0412495cb361708836157a4486.tar.xz
dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate
commit c132fe78ad7b4ce8b5d49a501a15c29d08eeb23a upstream. of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not needed anymore. Add missing of_node_put() in to fix this. Fixes: ec9bfa1e1a79 ("dmaengine: ti-dma-crossbar: dra7: Use bitops instead of idr") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Link: https://lore.kernel.org/r/20220605042723.17668-2-linmq006@gmail.com Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/dma/ti')
-rw-r--r--drivers/dma/ti/dma-crossbar.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma/ti/dma-crossbar.c b/drivers/dma/ti/dma-crossbar.c
index 4ba8fa5d9c36..d0720190eb3c 100644
--- a/drivers/dma/ti/dma-crossbar.c
+++ b/drivers/dma/ti/dma-crossbar.c
@@ -268,6 +268,7 @@ static void *ti_dra7_xbar_route_allocate(struct of_phandle_args *dma_spec,
mutex_unlock(&xbar->mutex);
dev_err(&pdev->dev, "Run out of free DMA requests\n");
kfree(map);
+ of_node_put(dma_spec->np);
return ERR_PTR(-ENOMEM);
}
set_bit(map->xbar_out, xbar->dma_inuse);