diff options
| author |   Ivan Safonov <insafonov@gmail.com> | 2017-05-02 09:01:42 +0300 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-05-15 07:41:59 +0200 |
| commit | 79650ffde38ec4dd8f5c39ff0a305fb0bc1bb142 (patch) | |
| tree | e6cbdd9a65c239fa224af90bbb6f895e618049d8 /drivers/staging/rtl8188eu/core/rtw_recv.c | |
| parent | staging:r8188eu: inline unprotect_frame() in mon_recv_decrypted_recv() (diff) | |
| download | linux-dev-79650ffde38ec4dd8f5c39ff0a305fb0bc1bb142.tar.xz linux-dev-79650ffde38ec4dd8f5c39ff0a305fb0bc1bb142.zip | |
staging:r8188eu: trim IV/ICV fields in validate_recv_data_frame()
Length of IV/ICV fields calculated here, so trim these field here too.
Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rtl8188eu/core/rtw_recv.c')
| -rw-r--r-- | drivers/staging/rtl8188eu/core/rtw_recv.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/staging/rtl8188eu/core/rtw_recv.c b/drivers/staging/rtl8188eu/core/rtw_recv.c index e8f0ff93f05a..2c37bb548c0f 100644 --- a/drivers/staging/rtl8188eu/core/rtw_recv.c +++ b/drivers/staging/rtl8188eu/core/rtw_recv.c @@ -1138,6 +1138,8 @@ static int validate_recv_data_frame(struct adapter *adapter, } if (pattrib->privacy) { + struct sk_buff *skb = precv_frame->pkt; + RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("validate_recv_data_frame:pattrib->privacy=%x\n", pattrib->privacy)); RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("\n ^^^^^^^^^^^IS_MCAST(pattrib->ra(0x%02x))=%d^^^^^^^^^^^^^^^6\n", pattrib->ra[0], IS_MCAST(pattrib->ra))); @@ -1146,6 +1148,13 @@ static int validate_recv_data_frame(struct adapter *adapter, RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("\n pattrib->encrypt=%d\n", pattrib->encrypt)); SET_ICE_IV_LEN(pattrib->iv_len, pattrib->icv_len, pattrib->encrypt); + + if (pattrib->bdecrypted == 1 && pattrib->encrypt > 0) { + memmove(skb->data + pattrib->iv_len, + skb->data, pattrib->hdrlen); + skb_pull(skb, pattrib->iv_len); + skb_trim(skb, skb->len - pattrib->icv_len); + } } else { pattrib->encrypt = 0; pattrib->iv_len = 0; @@ -1265,14 +1274,8 @@ static int validate_recv_frame(struct adapter *adapter, * Hence forward the frame to the monitor anyway to preserve the order * in which frames were received. */ - rtl88eu_mon_recv_hook(adapter->pmondev, precv_frame); - if (precv_frame->attrib.bdecrypted == 1 && precv_frame->attrib.encrypt > 0 && - (adapter->securitypriv.busetkipkey == 1 || precv_frame->attrib.encrypt != _TKIP_)) { - memmove(precv_frame->pkt->data + precv_frame->attrib.iv_len, precv_frame->pkt->data, precv_frame->attrib.hdrlen); - skb_pull(precv_frame->pkt, precv_frame->attrib.iv_len); - skb_trim(precv_frame->pkt, precv_frame->pkt->len - precv_frame->attrib.icv_len); - } + rtl88eu_mon_recv_hook(adapter->pmondev, precv_frame); exit: |