From 0137f1a019952f955f4050495be6725a5f92eb5b Mon Sep 17 00:00:00 2001 From: Kumar Amit Mehta Date: Mon, 26 Jan 2015 16:39:14 +0100 Subject: [PATCH] staging: rtl8188eu: core: rtw_wlan_util.c: Fix for NULL dereference 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 Signed-off-by: Greg Kroah-Hartman --- 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 3e9b6e932641..a3ffc691be9a 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;