diff options
| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2023-06-19 17:28:02 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-09-23 10:59:46 +0200 |
| commit | ef0d286989b1c406d58751467dc2838a28978055 (patch) | |
| tree | a6dd8a4fe4036cb78d9c308bd9b54d9ffd1b0713 | |
| parent | 90fddb87892ed4a3e667d646e18198265bdfe1af (diff) | |
ipmi:ssif: Add check for kstrdup
[ Upstream commit c5586d0f711e9744d0cade39b0c4a2d116a333ca ]
Add check for the return value of kstrdup() and return the error
if it fails in order to avoid NULL pointer dereference.
Fixes: c4436c9149c5 ("ipmi_ssif: avoid registering duplicate ssif interface")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Message-Id: <20230619092802.35384-1-jiasheng@iscas.ac.cn>
Signed-off-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/char/ipmi/ipmi_ssif.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c index 2907b0bca1af..0061f2207f31 100644 --- a/drivers/char/ipmi/ipmi_ssif.c +++ b/drivers/char/ipmi/ipmi_ssif.c @@ -1609,6 +1609,11 @@ 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; |