Fix Coccinelle alert:
drivers/staging//rtl8188eu/os_dep/usb_intf.c:336:13-27: WARNING: casting value returned by memory allocation function to (struct adapter *) is useless.
This issue was detected by using the Coccinelle software.
Signed-off-by: Christopher Diaz Riveros <chrisadr@gentoo.org>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
        struct net_device *pmondev;
        int status = _FAIL;
 
-       padapter = (struct adapter *)vzalloc(sizeof(*padapter));
+       padapter = vzalloc(sizeof(*padapter));
        if (padapter == NULL)
                goto exit;
        padapter->dvobj = dvobj;