[PATCH] clk: clk-apple-nco: Add NULL check in applnco_probe

Charles Han hanchunchao at inspur.com
Wed Nov 13 23:28:20 PST 2024


Add NULL check in applnco_probe, to handle kernel NULL pointer
dereference error.

Fixes: 6641057d5dba ("clk: clk-apple-nco: Add driver for Apple NCO")
Signed-off-by: Charles Han <hanchunchao at inspur.com>
---
 drivers/clk/clk-apple-nco.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/clk/clk-apple-nco.c b/drivers/clk/clk-apple-nco.c
index 39472a51530a..457a48d48941 100644
--- a/drivers/clk/clk-apple-nco.c
+++ b/drivers/clk/clk-apple-nco.c
@@ -297,6 +297,9 @@ static int applnco_probe(struct platform_device *pdev)
 		memset(&init, 0, sizeof(init));
 		init.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
 						"%s-%d", np->name, i);
+		if (!init.name)
+			return -ENOMEM;
+
 		init.ops = &applnco_ops;
 		init.parent_data = &pdata;
 		init.num_parents = 1;
-- 
2.31.1




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