Messages in this thread Patch in this message | | | From | Kumar Amit Mehta <> | Subject | [PATCH] staging: rtl8188eu: core: rtw_wlan_util.c: Fix for NULL dereference | Date | Mon, 26 Jan 2015 16:39:14 +0100 |
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In rtw_check_bcn_info(), check the return value of kzalloc() before dereferencing it, to avoid NULL pointer dereference.
Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com> --- drivers/staging/rtl8188eu/core/rtw_wlan_util.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c index 3e9b6e9..a3ffc69 100644 --- a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c +++ b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c @@ -931,6 +931,8 @@ int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len) } bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC); + if (!bssid) + return _FAIL; subtype = GetFrameSubType(pframe) >> 4; -- 2.1.0
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