6.1-stable review patch. If anyone has any objections, please let me know.
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From: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org
[ Upstream commit b14e40f5dc7cd0dd7e958010e6ca9ad32ff2ddad ]
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 krzysztof.kozlowski@linaro.org Reviewed-by: Damien Le Moal dlemoal@kernel.org Link: https://lore.kernel.org/r/20240825-reset-cleanup-scoped-v1-2-03f6d834f8c0@li... Signed-off-by: Philipp Zabel p.zabel@pengutronix.de Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/reset/reset-k210.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/reset/reset-k210.c b/drivers/reset/reset-k210.c index 1b6e03522b40d..b0f4546b2b1e5 100644 --- a/drivers/reset/reset-k210.c +++ b/drivers/reset/reset-k210.c @@ -91,7 +91,7 @@ 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"); @@ -100,6 +100,7 @@ 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))