Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757406Ab3GLI0h (ORCPT ); Fri, 12 Jul 2013 04:26:37 -0400 Received: from rtits2.realtek.com ([60.250.210.242]:47023 "EHLO rtits2.realtek.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757292Ab3GLI0c (ORCPT ); Fri, 12 Jul 2013 04:26:32 -0400 X-SpamFilter-By: BOX Solutions SpamTrap 5.34 with qID r6C8QQR2027486, This message is accepted by code: ctloc85258 From: Hayes Wang To: CC: , , , Hayes Wang Subject: [PATCH net 1/2] usb/net/r8152: fix integer overflow in expression Date: Fri, 12 Jul 2013 16:26:15 +0800 Message-ID: <1373617576-2272-1-git-send-email-hayeswang@realtek.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [172.21.71.126] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1218 Lines: 36 config: make ARCH=avr32 allyesconfig drivers/net/usb/r8152.c: In function 'rtl8152_start_xmit': drivers/net/usb/r8152.c:956: warning: integer overflow in expression 955 memset(tx_desc, 0, sizeof(*tx_desc)); > 956 tx_desc->opts1 = cpu_to_le32((len & TX_LEN_MASK) | TX_FS | TX_LS); 957 tp->tx_skb = skb; Signed-off-by: Hayes Wang Spotted-by: kbuild test robot --- drivers/net/usb/r8152.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index d02bac8..ee13f9e 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -934,7 +934,8 @@ static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb, struct r8152 *tp = netdev_priv(netdev); struct net_device_stats *stats = rtl8152_get_stats(netdev); struct tx_desc *tx_desc; - int len, res; + unsigned int len; + int res; netif_stop_queue(netdev); len = skb->len; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/