diff --git a/drivers/staging/rtl8192e/rtllib_wx.c b/drivers/staging/rtl8192e/rtllib_wx.c
index 2ac161786796..f31d864df6cc 100644
--- a/drivers/staging/rtl8192e/rtllib_wx.c
+++ b/drivers/staging/rtl8192e/rtllib_wx.c
@@ -510,7 +510,8 @@ int rtllib_wx_get_encode(struct rtllib_device *ieee,
 		return 0;
 	}
 	len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv);
-	erq->length = (len >= 0 ? len : 0);
+
+	erq->length = max(len, 0);
 
 	erq->flags |= IW_ENCODE_ENABLED;