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| author | Miaoqian Lin <linmq006@gmail.com> | 2022-06-05 08:27:23 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-07-12 16:35:18 +0200 |
| commit | cb9813d7eae917acd34436160a278b8b5d48ca53 (patch) | |
| tree | e8c2405665f13aba8dab2ad983bff7968f8e243a /drivers/dma | |
| parent | e08ccbaa5fb3f2abed9290380f86332d64720b60 (diff) | |
| download | linux-stable-cb9813d7eae917acd34436160a278b8b5d48ca53.tar.gz linux-stable-cb9813d7eae917acd34436160a278b8b5d48ca53.tar.bz2 linux-stable-cb9813d7eae917acd34436160a278b8b5d48ca53.zip | |
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')
| -rw-r--r-- | drivers/dma/ti/dma-crossbar.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma/ti/dma-crossbar.c b/drivers/dma/ti/dma-crossbar.c index 71d24fc07c00..e34cfb50d241 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); |