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Component/bt: fix get attr value API error

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This commit is contained in:
zhiweijian 2018-10-30 15:00:23 +08:00
parent b650d19c6b
commit 950fe25120
3 changed files with 11 additions and 6 deletions
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1
components/bt/bluedroid/api/esp_gatts_api.c
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@ -321,6 +321,7 @@ esp_gatt_status_t esp_ble_gatts_get_attr_value(uint16_t attr_handle, uint16_t *l
ESP_BLUEDROID_STATUS_CHECK(ESP_BLUEDROID_STATUS_ENABLED);
if (attr_handle == ESP_GATT_ILLEGAL_HANDLE) {
*length = 0;
return ESP_GATT_INVALID_HANDLE;
}

1
components/bt/bluedroid/stack/gatt/gatt_api.c
View file

@ -767,6 +767,7 @@ tGATT_STATUS GATTS_GetAttributeValue(UINT16 attr_handle, UINT16 *length, UINT8 *
if ((p_decl = gatt_find_hdl_buffer_by_attr_handle(attr_handle)) == NULL) {
GATT_TRACE_ERROR("Service not created\n");
*length = 0;
return GATT_INVALID_HANDLE;
}

13
components/bt/bluedroid/stack/gatt/gatt_db.c
View file

@ -783,10 +783,12 @@ tGATT_STATUS gatts_get_attribute_value(tGATT_SVC_DB *p_db, UINT16 attr_handle,
if (p_db == NULL) {
GATT_TRACE_ERROR("gatts_get_attribute_value Fail:p_db is NULL.\n");
*length = 0;
return GATT_INVALID_PDU;
}
if (p_db->p_attr_list == NULL) {
GATT_TRACE_ERROR("gatts_get_attribute_value Fail:p_db->p_attr_list is NULL.\n");
*length = 0;
return GATT_INVALID_PDU;
}
if (length == NULL){
@ -795,6 +797,7 @@ tGATT_STATUS gatts_get_attribute_value(tGATT_SVC_DB *p_db, UINT16 attr_handle,
}
if (value == NULL){
GATT_TRACE_ERROR("gatts_get_attribute_value Fail:value is NULL.\n");
*length = 0;
return GATT_INVALID_PDU;
}
@ -814,19 +817,19 @@ tGATT_STATUS gatts_get_attribute_value(tGATT_SVC_DB *p_db, UINT16 attr_handle,
*value = p_cur->p_value->attr_val.attr_val;
return GATT_SUCCESS;
} else {
GATT_TRACE_ERROR("gatts_get_attribute_value failed:the value length is 0");
return GATT_INVALID_ATTR_LEN;
*length = 0;
return GATT_SUCCESS;
}
break;
}
} else {
if (p_cur->p_value->attr_val.attr_len != 0) {
if (p_cur->p_value && p_cur->p_value->attr_val.attr_len != 0) {
*length = p_cur->p_value->attr_val.attr_len;
*value = p_cur->p_value->attr_val.attr_val;
return GATT_SUCCESS;
} else {
GATT_TRACE_ERROR("gatts_get_attribute_value failed:the value length is 0");
return GATT_INVALID_ATTR_LEN;
*length = 0;
return GATT_SUCCESS;
}
}