[PATCH 2/2] clk: renesas: cpg-mssr: automate 'soc' node release in cpg_mssr_reserved_init()

From: Javier Carrasco
Date: Wed Oct 30 2024 - 19:26:34 EST


Switch to a more robust approach by means of the cleanup attribute,
which automates the calls to of_node_put() when 'soc' goes out of scope.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@xxxxxxxxx>
---
drivers/clk/renesas/renesas-cpg-mssr.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c
index 5dc89b1009fe..bf85501709f0 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@@ -979,7 +979,7 @@ static void __init cpg_mssr_reserved_exit(struct cpg_mssr_priv *priv)
static int __init cpg_mssr_reserved_init(struct cpg_mssr_priv *priv,
const struct cpg_mssr_info *info)
{
- struct device_node *soc = of_find_node_by_path("/soc");
+ struct device_node *soc __free(device_node) = of_find_node_by_path("/soc");
struct device_node *node;
uint32_t args[MAX_PHANDLE_ARGS];
unsigned int *ids = NULL;
@@ -1022,7 +1022,6 @@ static int __init cpg_mssr_reserved_init(struct cpg_mssr_priv *priv,

ids = krealloc_array(ids, (num + 1), sizeof(*ids), GFP_KERNEL);
if (!ids) {
- of_node_put(soc);
of_node_put(it.node);
return -ENOMEM;
}
@@ -1037,7 +1036,6 @@ static int __init cpg_mssr_reserved_init(struct cpg_mssr_priv *priv,
num++;
}
}
- of_node_put(soc);

priv->num_reserved_ids = num;
priv->reserved_ids = ids;

--
2.43.0