. userspace pointer dereference ;
. missing inclusions of needed header files ;
. unrequired static function declaration (confusing another *.c file).

Signed-off-by: Dominique van den Broeck <[email protected]>
---
I submit this patch as a result for Task #16 of the Eudyptula Challenge.

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c 
b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
index 498995d..d87cdfa 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
@@ -17,8 +17,10 @@
  * wlanfae <[email protected]>
 ******************************************************************************/
 
+#include <linux/uaccess.h>
 #include <linux/string.h>
 #include "rtl_core.h"
+#include "rtl_wx.h"
 
 #define RATE_COUNT 12
 static u32 rtl8192_rates[] = {
@@ -1130,11 +1132,18 @@ static int r8192_wx_set_PromiscuousMode(struct 
net_device *dev,
        struct r8192_priv *priv = rtllib_priv(dev);
        struct rtllib_device *ieee = priv->rtllib;
 
-       u32 *info_buf = (u32 *)(wrqu->data.pointer);
+       u32 info_buf[3];
 
-       u32 oid = info_buf[0];
-       u32 bPromiscuousOn = info_buf[1];
-       u32 bFilterSourceStationFrame = info_buf[2];
+       u32 oid;
+       u32 bPromiscuousOn;
+       u32 bFilterSourceStationFrame;
+
+       if (copy_from_user(info_buf, wrqu->data.pointer, sizeof(info_buf)))
+               return -EFAULT;
+
+       oid = info_buf[0];
+       bPromiscuousOn = info_buf[1];
+       bFilterSourceStationFrame = info_buf[2];
 
        if (OID_RT_INTEL_PROMISCUOUS_MODE == oid) {
                ieee->IntelPromiscuousModeInfo.bPromiscuousOn =
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.h 
b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.h
index 6a51a25..6437664 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.h
@@ -25,7 +25,6 @@ struct iw_handler_def;
 struct iw_statistics;
 
 extern struct iw_handler_def r8192_wx_handlers_def;
-struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev);
 u16 rtl8192_11n_user_show_rates(struct net_device *dev);
 
 #endif
--
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