devm_kasprintf() can return a NULL pointer on failure but this
returned value is not checked.
Fixes: 51bd6f291583 ("Add support for IPMB driver")
Signed-off-by: Charles Han <hanchunc...@inspur.com>
---
drivers/char/ipmi/ipmb_dev_int.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/char/ipmi/ipmb_dev_int.c b/drivers/char/ipmi/ipmb_dev_int.c
index 7296127181ec..8a14fd0291d8 100644
--- a/drivers/char/ipmi/ipmb_dev_int.c
+++ b/drivers/char/ipmi/ipmb_dev_int.c
@@ -321,6 +321,9 @@ static int ipmb_probe(struct i2c_client *client)
ipmb_dev->miscdev.name = devm_kasprintf(&client->dev, GFP_KERNEL,
"%s%d", "ipmb-",
client->adapter->nr);
+ if (!ipmb_dev->miscdev.name)
+ return -ENOMEM;
+
ipmb_dev->miscdev.fops = &ipmb_fops;
ipmb_dev->miscdev.parent = &client->dev;
ret = misc_register(&ipmb_dev->miscdev);
--
2.31.1
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