Staging: vt6656: Fix Sparse Warning: cast from restricted gfp_t in hostap.c

This patch fixes the following type of sparse warnings:

drivers/staging/vt6656/hostap.c:688:42: warning: cast from restricted gfp_t
drivers/staging/vt6656/hostap.c:688:42: warning: incorrect type in argument 2 (different base types)
drivers/staging/vt6656/hostap.c:688:42: expected restricted gfp_t [usertype] flags
drivers/staging/vt6656/hostap.c:688:42: got int [signed] <noident>
Signed-off-by: NEbru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6656/hostap.c

@@ -685,7 +685,7 @@ int vt6656_hostap_ioctl(struct vnt_private *pDevice, struct iw_point *p)
 	    p->length > VIAWGET_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
 		return -EINVAL;
 
-	param = kmalloc((int)p->length, (int)GFP_KERNEL);
+	param = kmalloc((int)p->length, GFP_KERNEL);
 	if (param == NULL)
 		return -ENOMEM;