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authorKrzysztof Kozlowski <[email protected]>2024-08-25 16:14:25 +0200
committerPhilipp Zabel <[email protected]>2024-09-02 11:51:19 +0200
commitb14e40f5dc7cd0dd7e958010e6ca9ad32ff2ddad (patch)
tree0a839530fd12976944f4dfe7bfb5554c1e7f8f0a
parent5f58a88cc91075be38cec69b7cb70aaa4ba69e8b (diff)
reset: k210: fix OF node leak in probe() error path
Driver is leaking OF node reference on memory allocation failure. Acquire the OF node reference after memory allocation to fix this and keep it simple. Fixes: 5a2308da9f60 ("riscv: Add Canaan Kendryte K210 reset controller") Signed-off-by: Krzysztof Kozlowski <[email protected]> Reviewed-by: Damien Le Moal <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Philipp Zabel <[email protected]>
-rw-r--r--drivers/reset/reset-k210.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/reset/reset-k210.c b/drivers/reset/reset-k210.c
index b62a2fd44e4e..e77e4cca377d 100644
--- a/drivers/reset/reset-k210.c
+++ b/drivers/reset/reset-k210.c
@@ -90,7 +90,7 @@ static const struct reset_control_ops k210_rst_ops = {
static int k210_rst_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct device_node *parent_np = of_get_parent(dev->of_node);
+ struct device_node *parent_np;
struct k210_rst *ksr;
dev_info(dev, "K210 reset controller\n");
@@ -99,6 +99,7 @@ static int k210_rst_probe(struct platform_device *pdev)
if (!ksr)
return -ENOMEM;
+ parent_np = of_get_parent(dev->of_node);
ksr->map = syscon_node_to_regmap(parent_np);
of_node_put(parent_np);
if (IS_ERR(ksr->map))