[PATCH] dpaa2-ptp: Fix refcount leak in dpaa2_ptp_probe

[PATCH] dpaa2-ptp: Fix refcount leak in dpaa2_ptp_probe

[Miaoqian Lin]

This node pointer is returned by of_find_compatible_node() with
refcount incremented. Calling of_node_put() to aovid the refcount leak.

Fixes: d346c9e86d86 ("dpaa2-ptp: reuse ptp_qoriq driver")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.c
index 5f5f8c53c4a0..c8cb541572ff 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.c
@@ -167,7 +167,7 @@ static int dpaa2_ptp_probe(struct fsl_mc_device *mc_dev)
 	base = of_iomap(node, 0);
 	if (!base) {
 		err = -ENOMEM;
-		goto err_close;
+		goto err_put;
 	}
 
 	err = fsl_mc_allocate_irqs(mc_dev);
@@ -210,6 +210,8 @@ static int dpaa2_ptp_probe(struct fsl_mc_device *mc_dev)
 	fsl_mc_free_irqs(mc_dev);
 err_unmap:
 	iounmap(base);
+err_put:
+	of_node_put(node);
 err_close:
 	dprtc_close(mc_dev->mc_io, 0, mc_dev->mc_handle);
 err_free_mcp:
-- 
2.17.1

Re: [PATCH] dpaa2-ptp: Fix refcount leak in dpaa2_ptp_probe

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (master)
by Paolo Abeni <pabeni@redhat.com>:

On Mon,  4 Apr 2022 12:53:36 +0000 you wrote:
> This node pointer is returned by of_find_compatible_node() with
> refcount incremented. Calling of_node_put() to aovid the refcount leak.
> 
> Fixes: d346c9e86d86 ("dpaa2-ptp: reuse ptp_qoriq driver")
> Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
> ---
>  drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Here is the summary with links:
  - dpaa2-ptp: Fix refcount leak in dpaa2_ptp_probe
    https://git.kernel.org/netdev/net/c/2b04bd4f03bb

You are awesome, thank you!
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