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component/bt: Check the value received from the peer device when sent the data used prepare write.

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component/bt: Fix misspellings of "corret" in comments in bta_gattc_write_cmpl function.
This commit is contained in:
Yulong 2018-04-26 09:01:53 -04:00
parent 0236592fe5
commit 8f015e3e48
1 changed files with 7 additions and 2 deletions
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9
components/bt/bluedroid/bta/gatt/bta_gattc_act.c
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@ -1278,11 +1278,16 @@ void bta_gattc_write_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_OP_CMPL *p_data)
if (p_clcb->p_q_cmd->api_write.hdr.event == BTA_GATTC_API_WRITE_EVT && if (p_clcb->p_q_cmd->api_write.hdr.event == BTA_GATTC_API_WRITE_EVT &&
p_clcb->p_q_cmd->api_write.write_type == BTA_GATTC_WRITE_PREPARE) { p_clcb->p_q_cmd->api_write.write_type == BTA_GATTC_WRITE_PREPARE) {
// Should check the value received from the peer device is correct or not.
if (memcmp(p_clcb->p_q_cmd->api_write.p_value, p_data->p_cmpl->att_value.value,
p_data->p_cmpl->att_value.len) != 0) {
cb_data.write.status = BTA_GATT_INVALID_PDU;
}
event = BTA_GATTC_PREP_WRITE_EVT; event = BTA_GATTC_PREP_WRITE_EVT;
} else { } else {
event = p_clcb->p_q_cmd->api_write.cmpl_evt; event = p_clcb->p_q_cmd->api_write.cmpl_evt;
} }
//free the command data store in the queue. //free the command data store in the queue.
bta_gattc_free_command_data(p_clcb); bta_gattc_free_command_data(p_clcb);
bta_gattc_pop_command_to_send(p_clcb); bta_gattc_pop_command_to_send(p_clcb);