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Merge branch 'bugfix/set_eir_when_no_eir_data_v5.1' into 'release/v5.1'

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change(bt/bluedroid): Send a name tag with zero length when there is no EIR data

See merge request espressif/esp-idf!25949
This commit is contained in:
Jiang Jiang Jian 2023-09-14 15:55:43 +08:00
commit b2b9b904f1
1 changed files with 13 additions and 2 deletions
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15
components/bt/host/bluedroid/bta/dm/bta_dm_act.c
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@ -4306,13 +4306,24 @@ static void bta_dm_set_eir (char *local_name)
}
}
if ( free_eir_length ) {
/* If there is no other data to be sent in the EIR packet, the Host shall
* send a name tag with zero length and the type field set to indicate
* that this is the complete name (i.e., total of 2 octets with length =
* 1).
*/
if (eir_type_num == 0) {
UINT8_TO_STREAM(p, 1);
UINT8_TO_STREAM(p, BTM_EIR_COMPLETE_LOCAL_NAME_TYPE);
free_eir_length -= 2;
}
if (free_eir_length) {
UINT8_TO_STREAM(p, 0); /* terminator of significant part */
}
tBTM_STATUS btm_status = BTM_WriteEIR( p_buf, p_bta_dm_eir_cfg->bta_dm_eir_fec_required );
if ( btm_status == BTM_MODE_UNSUPPORTED) {
if (btm_status == BTM_MODE_UNSUPPORTED) {
status = BTA_WRONG_MODE;
} else if (btm_status != BTM_SUCCESS) {
status = BTA_FAILURE;