diff options
| -rw-r--r-- | drivers/staging/gdm724x/gdm_lte.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/staging/gdm724x/gdm_lte.c b/drivers/staging/gdm724x/gdm_lte.c index 0ddb65d5400..64c55b99fda 100644 --- a/drivers/staging/gdm724x/gdm_lte.c +++ b/drivers/staging/gdm724x/gdm_lte.c @@ -468,7 +468,11 @@ static int gdm_lte_tx(struct sk_buff *skb, struct net_device *dev) if (!(nic_type & NIC_TYPE_F_DHCP)) nic_type &= NIC_TYPE_MASK; - sscanf(dev->name, "lte%d", &idx); + ret = sscanf(dev->name, "lte%d", &idx); + if (ret != 1) { + dev_kfree_skb(skb); + return -EINVAL; + } ret = nic->phy_dev->send_sdu_func(nic->phy_dev->priv_dev, data_buf, data_len, @@ -509,8 +513,11 @@ static int gdm_lte_event_send(struct net_device *dev, char *buf, int len) struct nic *nic = netdev_priv(dev); struct hci_packet *hci = (struct hci_packet *)buf; int idx; + int ret; - sscanf(dev->name, "lte%d", &idx); + ret = sscanf(dev->name, "lte%d", &idx); + if (ret != 1) + return -EINVAL; return netlink_send(lte_event.sock, idx, 0, buf, gdm_dev16_to_cpu( |