[PATCH 2/3] staging: r8188eu: Fix case where ethtype was never obtained and always be checked against 0
Sergei Shtylyov
sergei.shtylyov at cogentembedded.com
Wed Apr 9 16:24:08 UTC 2014
On 04/09/2014 08:12 PM, Larry Finger wrote:
> Zero-initializing ether_type masked that the ether type would never be
> obtained for 8021x packets and the comparition against eapol_type
> would always fail.
> Reported-by: Jes Sorensen <Jes.Sorensen at redhat.com>
> Signed-off-by: Larry Finger <Larry.Finger at lwfinger.net>
> Cc: Stable <stable at vger.kernel.org>
> ---
> drivers/staging/rtl8188eu/core/rtw_recv.c | 20 ++++++++------------
> 1 file changed, 8 insertions(+), 12 deletions(-)
> diff --git a/drivers/staging/rtl8188eu/core/rtw_recv.c b/drivers/staging/rtl8188eu/core/rtw_recv.c
> index 01fcabc..61084d6 100644
> --- a/drivers/staging/rtl8188eu/core/rtw_recv.c
> +++ b/drivers/staging/rtl8188eu/core/rtw_recv.c
> @@ -551,7 +551,7 @@ static struct recv_frame *portctrl(struct adapter *adapter,
> struct sta_info *psta;
> struct sta_priv *pstapriv;
> struct recv_frame *prtnframe;
> - u16 ether_type = 0;
> + u16 ether_type;
I suggest:
u16 ethertype;
> u16 eapol_type = 0x888e;/* for Funia BD's WPA issue */
> struct rx_pkt_attrib *pattrib;
> __be16 be_tmp;
> @@ -571,19 +571,17 @@ static struct recv_frame *portctrl(struct adapter *adapter,
>
> RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("########portctrl:adapter->securitypriv.dot11AuthAlgrthm=%d\n", adapter->securitypriv.dot11AuthAlgrthm));
>
> - if (auth_alg == 2) {
> + if (auth_alg == dot11AuthAlgrthm_8021X) {
> + /* get ether_type */
> + ptr = ptr + pfhdr->attrib.hdrlen + LLC_HEADER_SIZE;
Why not:
ptr += pfhdr->attrib.hdrlen + LLC_HEADER_SIZE;
WBR, Sergei
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