diff options
| -rw-r--r-- | include/net/bluetooth/hci.h | 2 | ||||
| -rw-r--r-- | net/bluetooth/hci_event.c | 20 |
2 files changed, 12 insertions, 10 deletions
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index ba89b078ceb5..3f57fd677b67 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -2139,7 +2139,7 @@ struct hci_comp_pkts_info { } __packed; struct hci_ev_num_comp_pkts { - __u8 num_hndl; + __u8 num; struct hci_comp_pkts_info handles[]; } __packed; diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 09d7d997c4b1..b27a4ad647ca 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -4465,23 +4465,25 @@ static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) { - struct hci_ev_num_comp_pkts *ev = (void *) skb->data; + struct hci_ev_num_comp_pkts *ev; int i; - if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) { - bt_dev_err(hdev, "wrong event for mode %d", hdev->flow_ctl_mode); + ev = hci_ev_skb_pull(hdev, skb, HCI_EV_NUM_COMP_PKTS, sizeof(*ev)); + if (!ev) return; - } - if (skb->len < sizeof(*ev) || - skb->len < struct_size(ev, handles, ev->num_hndl)) { - BT_DBG("%s bad parameters", hdev->name); + if (!hci_ev_skb_pull(hdev, skb, HCI_EV_NUM_COMP_PKTS, + flex_array_size(ev, handles, ev->num))) + return; + + if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) { + bt_dev_err(hdev, "wrong event for mode %d", hdev->flow_ctl_mode); return; } - BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); + BT_DBG("%s num %d", hdev->name, ev->num); - for (i = 0; i < ev->num_hndl; i++) { + for (i = 0; i < ev->num; i++) { struct hci_comp_pkts_info *info = &ev->handles[i]; struct hci_conn *conn; __u16 handle, count; |