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Merge branch 'bugfix/btdm_fix_get_attr_value_error_after_prepare_write' into 'master'

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Component/bt: fix get attr value error after prepare write

See merge request idf/esp-idf!1976
This commit is contained in:
Jiang Jiang Jian 2018-03-08 20:06:47 +08:00
commit bcfbb6154c
1 changed files with 6 additions and 0 deletions
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6
components/bt/bluedroid/stack/gatt/gatt_sr.c
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@ -359,6 +359,7 @@ void gatt_process_exec_write_req (tGATT_TCB *p_tcb, UINT8 op_code, UINT16 len, U
tGATT_IF gatt_if;
UINT16 conn_id;
UINT16 queue_num = 0;
BOOLEAN is_first = TRUE;
BOOLEAN is_prepare_write_valid = FALSE;
BOOLEAN is_need_dequeue_sr_cmd = FALSE;
tGATT_PREPARE_WRITE_RECORD *prepare_record = NULL;
@ -420,6 +421,11 @@ void gatt_process_exec_write_req (tGATT_TCB *p_tcb, UINT8 op_code, UINT16 len, U
queue_data = fixed_queue_dequeue(prepare_record->queue);
if (is_prepare_write_valid){
if((queue_data->p_attr->p_value != NULL) && (queue_data->p_attr->p_value->attr_val.attr_val != NULL)){
if(is_first) {
//clear attr_val.attr_len before handle prepare write data
queue_data->p_attr->p_value->attr_val.attr_len = 0;
is_first = FALSE;
}
memcpy(queue_data->p_attr->p_value->attr_val.attr_val+queue_data->offset, queue_data->value, queue_data->len);
//don't forget to increase the attribute value length in the gatts database.
queue_data->p_attr->p_value->attr_val.attr_len += queue_data->len;