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authorhayeswang <hayeswang@realtek.com>2013-07-12 16:26:15 +0800
committerDavid S. Miller <davem@davemloft.net>2013-07-12 16:13:34 -0700
commit3ff25e3c4531aff5b1a96e2ea6e1a2d355263019 (patch)
treee9f93b286fb74bcbd610d2f099d51f94d82e05d3
parent40dadff26539d1695d2a37b44f66c53158439ae9 (diff)
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>
-rw-r--r--drivers/net/usb/r8152.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index d02bac82fc57..ee13f9eb740c 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;