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Component/bt: fix crash when set attr value 0

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This commit is contained in:
zhiweijian
2017-10-13 15:06:08 +08:00
parent 0a52dbccca
commit 520b3340f6
2 changed files with 5 additions and 1 deletions
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2
components/bt/bluedroid/bta/gatt/bta_gatts_api.c
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@@ -474,8 +474,10 @@ void BTA_GATTS_SendRsp (UINT16 conn_id, UINT32 trans_id,
void BTA_SetAttributeValue(UINT16 attr_handle, UINT16 length, UINT8 *value) void BTA_SetAttributeValue(UINT16 attr_handle, UINT16 length, UINT8 *value)
{ {
tBTA_GATTS_API_SET_ATTR_VAL *p_buf; tBTA_GATTS_API_SET_ATTR_VAL *p_buf;
UINT16 len = sizeof(tBTA_GATTS_API_SET_ATTR_VAL);
if((p_buf = (tBTA_GATTS_API_SET_ATTR_VAL *)osi_malloc( if((p_buf = (tBTA_GATTS_API_SET_ATTR_VAL *)osi_malloc(
sizeof(tBTA_GATTS_API_SET_ATTR_VAL))) != NULL){ sizeof(tBTA_GATTS_API_SET_ATTR_VAL))) != NULL){
memset(p_buf, 0, len);
p_buf->hdr.event = BTA_GATTS_API_SET_ATTR_VAL_EVT; p_buf->hdr.event = BTA_GATTS_API_SET_ATTR_VAL_EVT;
p_buf->hdr.layer_specific = attr_handle; p_buf->hdr.layer_specific = attr_handle;
p_buf->length = length; p_buf->length = length;

4
components/bt/bluedroid/stack/gatt/gatt_api.c
View File

@@ -723,7 +723,9 @@ tGATT_STATUS GATTS_SetAttributeValue(UINT16 attr_handle, UINT16 length, UINT8 *v
GATT_TRACE_DEBUG("GATTS_SetAttributeValue: attr_handle: %u length: %u \n", GATT_TRACE_DEBUG("GATTS_SetAttributeValue: attr_handle: %u length: %u \n",
attr_handle, length); attr_handle, length);
if (length <= 0){
return GATT_INVALID_ATTR_LEN;
}
if ((p_decl = gatt_find_hdl_buffer_by_attr_handle(attr_handle)) == NULL) { if ((p_decl = gatt_find_hdl_buffer_by_attr_handle(attr_handle)) == NULL) {
GATT_TRACE_DEBUG("Service not created\n"); GATT_TRACE_DEBUG("Service not created\n");
return GATT_INVALID_HANDLE; return GATT_INVALID_HANDLE;