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BLE: fix possible truncation #9427

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Merged
merged 1 commit into from
Jan 21, 2019
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BLE: fix possible truncation #9427

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7 changes: 4 additions & 3 deletions ...TURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_NRF52/source/btle/btle.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -355,9 +355,10 @@ void btle_handler(const ble_evt_t *p_ble_evt)
uint8_t const data_length_peer =
p_gap_evt->params.data_length_update_request.peer_params.max_tx_octets;

const uint8_t max_data_length = NRF_SDH_BLE_GATT_MAX_MTU_SIZE + 4 /* L2CAP header size */;

uint8_t const data_length = MIN(max_data_length, data_length_peer);
uint8_t const data_length = MIN(
NRF_SDH_BLE_GATT_MAX_MTU_SIZE + 4 /* L2CAP header size */,
data_length_peer
);

ble_gap_data_length_params_t const dlp =
{
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