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| author | Kumar Amit Mehta | 2015-01-26 16:39:14 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2015-01-28 19:56:49 +0100 |
| commit | 0137f1a019952f955f4050495be6725a5f92eb5b (patch) | |
| tree | 617cee02a9dfc082fed719c2922b00d3ed02f2e6 /drivers/staging/rtl8188eu/core/rtw_wlan_util.c | |
| parent | staging: rtl8712: remove useless printing line (diff) | |
| download | kernel-qcow2-linux-0137f1a019952f955f4050495be6725a5f92eb5b.tar.gz kernel-qcow2-linux-0137f1a019952f955f4050495be6725a5f92eb5b.tar.xz kernel-qcow2-linux-0137f1a019952f955f4050495be6725a5f92eb5b.zip | |
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@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rtl8188eu/core/rtw_wlan_util.c')
| -rw-r--r-- | drivers/staging/rtl8188eu/core/rtw_wlan_util.c | 2 |
1 files changed, 2 insertions, 0 deletions
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; |