From: Liang He windhl@126.com
[ Upstream commit d17e37c41b7ed38459957a5d2968ba61516fd5c2 ]
We should use of_node_put() for the reference 'node' returned by of_parse_phandle() which will increase the refcount.
Fixes: fec9b625095f ("of: Add plumbing for restricted DMA pool") Co-authored-by: Miaoqian Lin linmq006@gmail.com Signed-off-by: Liang He windhl@126.com Signed-off-by: Rob Herring robh@kernel.org Link: https://lore.kernel.org/r/20220702014449.263772-1-windhl@126.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/of/device.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/of/device.c b/drivers/of/device.c index b0800c260f64..45335fe523f7 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -81,8 +81,11 @@ of_dma_set_restricted_buffer(struct device *dev, struct device_node *np) * restricted-dma-pool region is allowed. */ if (of_device_is_compatible(node, "restricted-dma-pool") && - of_device_is_available(node)) + of_device_is_available(node)) { + of_node_put(node); break; + } + of_node_put(node); }
/*