[PATCH] char: warnning msg for devm_snprintf failed to allocate memory.

[Tom Hu]

From: huxiaoying <huxiaoying@xxxxxxxxxx>

Signed-off-by: Tom Hu <huxiaoying@xxxxxxxxxx>
---
 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 49100845fcb7..8e703ecb27c3 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)
+		pr_warn("Failed to allocate mem to miscdev.name\n");
+
 	ipmb_dev->miscdev.fops = &ipmb_fops;
 	ipmb_dev->miscdev.parent = &client->dev;
 	ret = misc_register(&ipmb_dev->miscdev);
-- 
2.25.1