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usb/net/r8152: fix integer overflow in expression 

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 <hayeswang@realtek.com>
Spotted-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
hayeswang 2013-07-12 16:26:15 +08:00 committed by David S. Miller
parent 40dadff265
commit 3ff25e3c45
1 changed files with 2 additions and 1 deletions
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3
drivers/net/usb/r8152.c
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@ -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;