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Message-Id: <1422286754-3039-1-git-send-email-gmate.amit@gmail.com> Date: Mon, 26 Jan 2015 16:39:14 +0100 From: Kumar Amit Mehta <gmate.amit@...il.com> To: gregkh@...uxfoundation.org Cc: navin.patidar@...il.com, Larry.Finger@...inger.net, dan.carpenter@...cle.com, tapaswenipathak@...il.com, abelmoyo.ab@...il.com, devel@...verdev.osuosl.org, kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org 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 <gmate.amit@...il.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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