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component/bt: Add parameter check for attp_build_sr_msg function

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This commit is contained in:
island 2017-05-12 14:30:33 +08:00
parent 84aeb2823a
commit e9dc0115fc
1 changed files with 17 additions and 1 deletions
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18
components/bt/bluedroid/stack/gatt/att_protocol.c
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@ -378,10 +378,26 @@ BT_HDR *attp_build_sr_msg(tGATT_TCB *p_tcb, UINT8 op_code, tGATT_SR_MSG *p_msg)
switch (op_code) {
case GATT_RSP_READ_BLOB:
case GATT_RSP_PREPARE_WRITE:
case GATT_RSP_READ_BY_TYPE:
case GATT_RSP_READ:
case GATT_HANDLE_VALUE_NOTIF:
case GATT_HANDLE_VALUE_IND:
case GATT_RSP_ERROR:
case GATT_RSP_MTU:
/* Need to check the validation of parameter p_msg*/
if (p_msg == NULL) {
GATT_TRACE_ERROR("Invalid prepare write response or read blob response, the rsp_msg can't be NULL.");
GATT_TRACE_ERROR("Invalid parameters in %s, op_code=0x%x, the p_msg should not be NULL.", __func__, op_code);
return NULL;
}
break;
default:
break;
}
switch (op_code) {
case GATT_RSP_READ_BLOB:
case GATT_RSP_PREPARE_WRITE:
GATT_TRACE_EVENT ("ATT_RSP_READ_BLOB/GATT_RSP_PREPARE_WRITE: len = %d offset = %d",
p_msg->attr_value.len, p_msg->attr_value.offset);
offset = p_msg->attr_value.offset;