Messages in this thread Patch in this message | | | From | Aymen Qader <> | Subject | [PATCH] staging: rtl8188eu: Avoid null pointer arithmetic | Date | Thu, 27 Sep 2018 18:04:08 +0100 |
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Avoid null pointer arithmetic in rtw_mlme_ext.c by skipping other field checks if the information element pointer is null.
Signed-off-by: Aymen Qader <qader.aymen@gmail.com> --- drivers/staging/rtl8188eu/core/rtw_mlme_ext.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c index 834053a0ae9d..8a3a71456cd0 100644 --- a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c +++ b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c @@ -2971,8 +2971,10 @@ static unsigned int OnAssocReq(struct adapter *padapter, /* checking SSID */ p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _SSID_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset); - if (!p) + if (!p) { status = _STATS_FAILURE_; + goto OnAssocReqFail; + } if (ie_len == 0) { /* broadcast ssid, however it is not allowed in assocreq */ status = _STATS_FAILURE_; -- 2.17.1
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