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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-07-02 18:01:31 +0200
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-07-02 18:01:31 +0200
commit27eb2c4b3d3e13f376a359e293c212a2e9407af5 (patch)
tree556aa7b5cd6eeb4214dec129c789515157187010 /drivers/net/usb/smsc75xx.c
parentInput: tps6507x-ts - convert to polled input device infrastructure (diff)
parentInput: cyttsp4 - SPI driver for Cypress TMA4XX touchscreen devices (diff)
downloadlinux-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.c18
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);