diff options
| -rw-r--r-- | include/net/bluetooth/hci_core.h | 36 | ||||
| -rw-r--r-- | net/bluetooth/l2cap_core.c | 8 |
2 files changed, 33 insertions, 11 deletions
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 9231396fe96f..c43716edf205 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -2113,18 +2113,46 @@ static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, { u16 max_latency; - if (min > max || min < 6 || max > 3200) + if (min > max) { + BT_WARN("min %d > max %d", min, max); return -EINVAL; + } + + if (min < 6) { + BT_WARN("min %d < 6", min); + return -EINVAL; + } + + if (max > 3200) { + BT_WARN("max %d > 3200", max); + return -EINVAL; + } + + if (to_multiplier < 10) { + BT_WARN("to_multiplier %d < 10", to_multiplier); + return -EINVAL; + } - if (to_multiplier < 10 || to_multiplier > 3200) + if (to_multiplier > 3200) { + BT_WARN("to_multiplier %d > 3200", to_multiplier); return -EINVAL; + } - if (max >= to_multiplier * 8) + if (max >= to_multiplier * 8) { + BT_WARN("max %d >= to_multiplier %d * 8", max, to_multiplier); return -EINVAL; + } max_latency = (to_multiplier * 4 / max) - 1; - if (latency > 499 || latency > max_latency) + if (latency > 499) { + BT_WARN("latency %d > 499", latency); return -EINVAL; + } + + if (latency > max_latency) { + BT_WARN("latency %d > max_latency %d", latency, max_latency); + return -EINVAL; + } return 0; } diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 5b509b767557..c49e0d4b3c0d 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -4647,13 +4647,7 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn, memset(&rsp, 0, sizeof(rsp)); - if (max > hcon->le_conn_max_interval) { - BT_DBG("requested connection interval exceeds current bounds."); - err = -EINVAL; - } else { - err = hci_check_conn_params(min, max, latency, to_multiplier); - } - + err = hci_check_conn_params(min, max, latency, to_multiplier); if (err) rsp.result = cpu_to_le16(L2CAP_CONN_PARAM_REJECTED); else |