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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-07-02 18:01:31 +0200 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-07-02 18:01:31 +0200 |
commit | 27eb2c4b3d3e13f376a359e293c212a2e9407af5 (patch) | |
tree | 556aa7b5cd6eeb4214dec129c789515157187010 /drivers/net/usb/smsc75xx.c | |
parent | Input: tps6507x-ts - convert to polled input device infrastructure (diff) | |
parent | Input: cyttsp4 - SPI driver for Cypress TMA4XX touchscreen devices (diff) | |
download | linux-27eb2c4b3d3e13f376a359e293c212a2e9407af5.tar.xz linux-27eb2c4b3d3e13f376a359e293c212a2e9407af5.zip |
Merge branch 'next' into for-linus
Prepare first set of updates for 3.11 merge window.
Diffstat (limited to 'drivers/net/usb/smsc75xx.c')
-rw-r--r-- | drivers/net/usb/smsc75xx.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index 9abe51710f22..75409748c774 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -914,8 +914,12 @@ static int smsc75xx_set_rx_max_frame_length(struct usbnet *dev, int size) static int smsc75xx_change_mtu(struct net_device *netdev, int new_mtu) { struct usbnet *dev = netdev_priv(netdev); + int ret; + + if (new_mtu > MAX_SINGLE_PACKET_SIZE) + return -EINVAL; - int ret = smsc75xx_set_rx_max_frame_length(dev, new_mtu); + ret = smsc75xx_set_rx_max_frame_length(dev, new_mtu + ETH_HLEN); if (ret < 0) { netdev_warn(dev->net, "Failed to set mac rx frame length\n"); return ret; @@ -1324,7 +1328,7 @@ static int smsc75xx_reset(struct usbnet *dev) netif_dbg(dev, ifup, dev->net, "FCT_TX_CTL set to 0x%08x\n", buf); - ret = smsc75xx_set_rx_max_frame_length(dev, 1514); + ret = smsc75xx_set_rx_max_frame_length(dev, dev->net->mtu + ETH_HLEN); if (ret < 0) { netdev_warn(dev->net, "Failed to set max rx frame length\n"); return ret; @@ -2011,7 +2015,11 @@ static int smsc75xx_suspend(struct usb_interface *intf, pm_message_t message) ret = smsc75xx_enter_suspend0(dev); done: - if (ret) + /* + * TODO: resume() might need to handle the suspend failure + * in system sleep + */ + if (ret && PMSG_IS_AUTO(message)) usbnet_resume(intf); return ret; } @@ -2134,8 +2142,8 @@ static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb) else if (rx_cmd_a & (RX_CMD_A_LONG | RX_CMD_A_RUNT)) dev->net->stats.rx_frame_errors++; } else { - /* ETH_FRAME_LEN + 4(CRC) + 2(COE) + 4(Vlan) */ - if (unlikely(size > (ETH_FRAME_LEN + 12))) { + /* MAX_SINGLE_PACKET_SIZE + 4(CRC) + 2(COE) + 4(Vlan) */ + if (unlikely(size > (MAX_SINGLE_PACKET_SIZE + ETH_HLEN + 12))) { netif_dbg(dev, rx_err, dev->net, "size err rx_cmd_a=0x%08x\n", rx_cmd_a); |