diff options
| -rw-r--r-- | extmod/nimble/modbluetooth_nimble.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/extmod/nimble/modbluetooth_nimble.c b/extmod/nimble/modbluetooth_nimble.c index f4b9ccb600..8bbec54881 100644 --- a/extmod/nimble/modbluetooth_nimble.c +++ b/extmod/nimble/modbluetooth_nimble.c @@ -1682,7 +1682,19 @@ int mp_bluetooth_l2cap_send(uint16_t conn_handle, uint16_t cid, const uint8_t *b *stalled = true; err = 0; } else { - *stalled = false; + if (err) { + // Anything except stalled means it won't attempt to send, + // so free the mbuf (we're failing the op entirely). + os_mbuf_free_chain(sdu_tx); + } else { + *stalled = false; + } + } + + // Sometimes we see what looks like BLE_HS_EAGAIN (but it's actually + // OS_ENOMEM in disguise). Fixed in NimBLE v1.4. + if (err == OS_ENOMEM) { + return MP_ENOMEM; } // Other error codes such as BLE_HS_EBUSY (we're stalled) or BLE_HS_EBADDATA (bigger than MTU). |