component/bt: Fix bug rfcomm test command cause crash (backport 3.1)

A cherry-pick of MR !3080
pull/2666/head
baohongde 2018-09-03 14:17:56 +08:00
rodzic 22da5f6de9
commit 24a03a8d3f
1 zmienionych plików z 8 dodań i 0 usunięć

Wyświetl plik

@ -23,6 +23,7 @@
******************************************************************************/
#include <stddef.h>
#include <string.h>
#include "common/bt_target.h"
#include "stack/rfcdefs.h"
#include "stack/port_api.h"
@ -513,6 +514,13 @@ void rfc_send_test (tRFC_MCB *p_mcb, BOOLEAN is_command, BT_HDR *p_buf)
UINT16 xx;
UINT8 *p_src, *p_dest;
BT_HDR *p_buf_new;
if ((p_buf_new = (BT_HDR *)osi_malloc(RFCOMM_CMD_BUF_SIZE)) == NULL) {
return;
}
memcpy(p_buf_new, p_buf, sizeof(BT_HDR) + p_buf->offset + p_buf->len);
osi_free(p_buf);
p_buf = p_buf_new;
/* Shift buffer to give space for header */
if (p_buf->offset < (L2CAP_MIN_OFFSET + RFCOMM_MIN_OFFSET + 2)) {
p_src = (UINT8 *) (p_buf + 1) + p_buf->offset + p_buf->len - 1;