Commit c5586d0f authored by 蒋家盛's avatar 蒋家盛 Committed by Corey Minyard
Browse files

ipmi:ssif: Add check for kstrdup 



Add check for the return value of kstrdup() and return the error
if it fails in order to avoid NULL pointer dereference.

Fixes: c4436c91 ("ipmi_ssif: avoid registering duplicate ssif interface")
Signed-off-by: default avatarJiasheng Jiang <jiasheng@iscas.ac.cn>
Message-Id: <20230619092802.35384-1-jiasheng@iscas.ac.cn>
Signed-off-by: default avatarCorey Minyard <minyard@acm.org>
parent 02210d52

drivers/char/ipmi/ipmi_ssif.c

+5 −0
Original line number Diff line number Diff line
@@ -1600,6 +1600,11 @@ static int ssif_add_infos(struct i2c_client *client) 
	info->addr_src = SI_ACPI;

	info->client = client;

	info->adapter_name = kstrdup(client->adapter->name, GFP_KERNEL);

	if (!info->adapter_name) {

		kfree(info);

		return -ENOMEM;

	}



	info->binfo.addr = client->addr;

	list_add_tail(&info->link, &ssif_infos);

	return 0;