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component/bt: Fix bug rfcomm test command cause crash

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find when BQB
This commit is contained in:
baohongde 2018-08-24 14:49:33 +08:00
parent c7f4fae8d0
commit 9eefd8c1aa
1 changed files with 8 additions and 0 deletions
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8
components/bt/bluedroid/stack/rfcomm/rfc_ts_frames.c
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@ -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;