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nimble/ll: Fix controller to host flow

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We should not attempt to allocate credit for data PDU in case of CRC
error because such PDU will not be handed over to LL thus we will never
get that credit back.
This commit is contained in:
Andrzej Kaczmarek
2020-06-02 09:58:59 +02:00
parent 1a4e56196d
commit f8a396662d
1 changed files with 1 additions and 1 deletions
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nimble/controller/src/ble_ll_conn.c
+1 -1
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@@ -3808,7 +3808,7 @@ ble_ll_conn_rx_isr_end(uint8_t *rxbuf, struct ble_mbuf_hdr *rxhdr)
* available, we don't need to allocate buffer for this packet so LL will
* nak it.
*/
if (ble_ll_conn_cth_flow_is_enabled() &&
if (alloc_rxpdu && ble_ll_conn_cth_flow_is_enabled() &&
BLE_LL_LLID_IS_DATA(hdr_byte) && (rx_pyld_len > 0)) {
if (ble_ll_conn_cth_flow_alloc_credit(connsm)) {
rxhdr->rxinfo.flags |= BLE_MBUF_HDR_F_CONN_CREDIT;