diff options
| author | Miaoqian Lin <linmq006@gmail.com> | 2022-06-05 07:27:22 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2022-06-09 09:00:31 +0300 |
| commit | 615a4bfc426e11dba05c2cf343f9ac752fb381d2 (patch) | |
| tree | 48a267870610f82494ab0b9bfad9eeea07fa8120 /drivers/dma/ti/dma-crossbar.c | |
| parent | c132fe78ad7b4ce8b5d49a501a15c29d08eeb23a (diff) | |
| download | linux-615a4bfc426e11dba05c2cf343f9ac752fb381d2.tar.xz | |
dmaengine: ti: Add missing put_device in ti_dra7_xbar_route_allocate
of_find_device_by_node() takes reference, we should use put_device()
to release it when not need anymore.
Fixes: a074ae38f859 ("dmaengine: Add driver for TI DMA crossbar on DRA7x")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/r/20220605042723.17668-1-linmq006@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/ti/dma-crossbar.c')
| -rw-r--r-- | drivers/dma/ti/dma-crossbar.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dma/ti/dma-crossbar.c b/drivers/dma/ti/dma-crossbar.c index e34cfb50d241..f744ddbbbad7 100644 --- a/drivers/dma/ti/dma-crossbar.c +++ b/drivers/dma/ti/dma-crossbar.c @@ -245,6 +245,7 @@ static void *ti_dra7_xbar_route_allocate(struct of_phandle_args *dma_spec, if (dma_spec->args[0] >= xbar->xbar_requests) { dev_err(&pdev->dev, "Invalid XBAR request number: %d\n", dma_spec->args[0]); + put_device(&pdev->dev); return ERR_PTR(-EINVAL); } @@ -252,12 +253,14 @@ static void *ti_dra7_xbar_route_allocate(struct of_phandle_args *dma_spec, dma_spec->np = of_parse_phandle(ofdma->of_node, "dma-masters", 0); if (!dma_spec->np) { dev_err(&pdev->dev, "Can't get DMA master\n"); + put_device(&pdev->dev); return ERR_PTR(-EINVAL); } map = kzalloc(sizeof(*map), GFP_KERNEL); if (!map) { of_node_put(dma_spec->np); + put_device(&pdev->dev); return ERR_PTR(-ENOMEM); } @@ -269,6 +272,7 @@ static void *ti_dra7_xbar_route_allocate(struct of_phandle_args *dma_spec, dev_err(&pdev->dev, "Run out of free DMA requests\n"); kfree(map); of_node_put(dma_spec->np); + put_device(&pdev->dev); return ERR_PTR(-ENOMEM); } set_bit(map->xbar_out, xbar->dma_inuse); |