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Diffstat (limited to 'drivers/net/usb')
-rw-r--r--drivers/net/usb/cdc_ether.c3
-rw-r--r--drivers/net/usb/ipheth.c20
-rw-r--r--drivers/net/usb/qmi_wwan.c2
-rw-r--r--drivers/net/usb/r8152.c17
-rw-r--r--drivers/net/usb/sr9700.c11
-rw-r--r--drivers/net/usb/usbnet.c11
6 files changed, 40 insertions, 24 deletions
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 6d61052353f0..a6469235d904 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -418,7 +418,8 @@ void usbnet_cdc_status(struct usbnet *dev, struct urb *urb)
case USB_CDC_NOTIFY_NETWORK_CONNECTION:
netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n",
event->wValue ? "on" : "off");
- usbnet_link_change(dev, !!event->wValue, 0);
+ if (netif_carrier_ok(dev->net) != !!event->wValue)
+ usbnet_link_change(dev, !!event->wValue, 0);
break;
case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */
netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n",
diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index 687d70cfc556..46afb95ffabe 100644
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -286,10 +286,11 @@ static void ipheth_rcvbulk_callback(struct urb *urb)
return;
}
- if (urb->actual_length <= IPHETH_IP_ALIGN) {
- dev->net->stats.rx_length_errors++;
- return;
- }
+ /* iPhone may periodically send URBs with no payload
+ * on the "bulk in" endpoint. It is safe to ignore them.
+ */
+ if (urb->actual_length == 0)
+ goto rx_submit;
/* RX URBs starting with 0x00 0x01 do not encapsulate Ethernet frames,
* but rather are control frames. Their purpose is not documented, and
@@ -298,7 +299,8 @@ static void ipheth_rcvbulk_callback(struct urb *urb)
* URB received from the bulk IN endpoint.
*/
if (unlikely
- (((char *)urb->transfer_buffer)[0] == 0 &&
+ (urb->actual_length == 4 &&
+ ((char *)urb->transfer_buffer)[0] == 0 &&
((char *)urb->transfer_buffer)[1] == 1))
goto rx_submit;
@@ -306,7 +308,6 @@ static void ipheth_rcvbulk_callback(struct urb *urb)
if (retval != 0) {
dev_err(&dev->intf->dev, "%s: callback retval: %d\n",
__func__, retval);
- return;
}
rx_submit:
@@ -354,13 +355,14 @@ static int ipheth_carrier_set(struct ipheth_device *dev)
0x02, /* index */
dev->ctrl_buf, IPHETH_CTRL_BUF_SIZE,
IPHETH_CTRL_TIMEOUT);
- if (retval < 0) {
+ if (retval <= 0) {
dev_err(&dev->intf->dev, "%s: usb_control_msg: %d\n",
__func__, retval);
return retval;
}
- if (dev->ctrl_buf[0] == IPHETH_CARRIER_ON) {
+ if ((retval == 1 && dev->ctrl_buf[0] == IPHETH_CARRIER_ON) ||
+ (retval >= 2 && dev->ctrl_buf[1] == IPHETH_CARRIER_ON)) {
netif_carrier_on(dev->net);
if (dev->tx_urb->status != -EINPROGRESS)
netif_wake_queue(dev->net);
@@ -475,8 +477,8 @@ static int ipheth_close(struct net_device *net)
{
struct ipheth_device *dev = netdev_priv(net);
- cancel_delayed_work_sync(&dev->carrier_work);
netif_stop_queue(net);
+ cancel_delayed_work_sync(&dev->carrier_work);
return 0;
}
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 386d62769ded..4823dbdf5465 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -201,6 +201,7 @@ static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
break;
default:
/* not ip - do not know what to do */
+ kfree_skb(skbn);
goto skip;
}
@@ -1431,6 +1432,7 @@ static const struct usb_device_id products[] = {
{QMI_QUIRK_SET_DTR(0x1546, 0x1312, 4)}, /* u-blox LARA-R6 01B */
{QMI_QUIRK_SET_DTR(0x1546, 0x1342, 4)}, /* u-blox LARA-L6 */
{QMI_QUIRK_SET_DTR(0x33f8, 0x0104, 4)}, /* Rolling RW101 RMNET */
+ {QMI_FIXED_INTF(0x2dee, 0x4d22, 5)}, /* MeiG Smart SRM825L */
/* 4. Gobi 1000 devices */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 15e12f46d0ea..a5612c799f5e 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -5178,14 +5178,23 @@ static void rtl8152_fw_mac_apply(struct r8152 *tp, struct fw_mac *mac)
data = (u8 *)mac;
data += __le16_to_cpu(mac->fw_offset);
- generic_ocp_write(tp, __le16_to_cpu(mac->fw_reg), 0xff, length, data,
- type);
+ if (generic_ocp_write(tp, __le16_to_cpu(mac->fw_reg), 0xff, length,
+ data, type) < 0) {
+ dev_err(&tp->intf->dev, "Write %s fw fail\n",
+ type ? "PLA" : "USB");
+ return;
+ }
ocp_write_word(tp, type, __le16_to_cpu(mac->bp_ba_addr),
__le16_to_cpu(mac->bp_ba_value));
- generic_ocp_write(tp, __le16_to_cpu(mac->bp_start), BYTE_EN_DWORD,
- __le16_to_cpu(mac->bp_num) << 1, mac->bp, type);
+ if (generic_ocp_write(tp, __le16_to_cpu(mac->bp_start), BYTE_EN_DWORD,
+ ALIGN(__le16_to_cpu(mac->bp_num) << 1, 4),
+ mac->bp, type) < 0) {
+ dev_err(&tp->intf->dev, "Write %s bp fail\n",
+ type ? "PLA" : "USB");
+ return;
+ }
bp_en_addr = __le16_to_cpu(mac->bp_en_addr);
if (bp_en_addr)
diff --git a/drivers/net/usb/sr9700.c b/drivers/net/usb/sr9700.c
index 0a662e42ed96..cb7d2f798fb4 100644
--- a/drivers/net/usb/sr9700.c
+++ b/drivers/net/usb/sr9700.c
@@ -179,6 +179,7 @@ static int sr_mdio_read(struct net_device *netdev, int phy_id, int loc)
struct usbnet *dev = netdev_priv(netdev);
__le16 res;
int rc = 0;
+ int err;
if (phy_id) {
netdev_dbg(netdev, "Only internal phy supported\n");
@@ -189,11 +190,17 @@ static int sr_mdio_read(struct net_device *netdev, int phy_id, int loc)
if (loc == MII_BMSR) {
u8 value;
- sr_read_reg(dev, SR_NSR, &value);
+ err = sr_read_reg(dev, SR_NSR, &value);
+ if (err < 0)
+ return err;
+
if (value & NSR_LINKST)
rc = 1;
}
- sr_share_read_word(dev, 1, loc, &res);
+ err = sr_share_read_word(dev, 1, loc, &res);
+ if (err < 0)
+ return err;
+
if (rc == 1)
res = le16_to_cpu(res) | BMSR_LSTATUS;
else
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 9fd516e8bb10..18eb5ba436df 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -61,9 +61,6 @@
/*-------------------------------------------------------------------------*/
-// randomly generated ethernet address
-static u8 node_id [ETH_ALEN];
-
/* use ethtool to change the level for any given device */
static int msg_level = -1;
module_param (msg_level, int, 0);
@@ -1725,7 +1722,6 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
dev->net = net;
strscpy(net->name, "usb%d", sizeof(net->name));
- eth_hw_addr_set(net, node_id);
/* rx and tx sides can use different message sizes;
* bind() should set rx_urb_size in that case.
@@ -1801,9 +1797,9 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
goto out4;
}
- /* let userspace know we have a random address */
- if (ether_addr_equal(net->dev_addr, node_id))
- net->addr_assign_type = NET_ADDR_RANDOM;
+ /* this flags the device for user space */
+ if (!is_valid_ether_addr(net->dev_addr))
+ eth_hw_addr_random(net);
if ((dev->driver_info->flags & FLAG_WLAN) != 0)
SET_NETDEV_DEVTYPE(net, &wlan_type);
@@ -2211,7 +2207,6 @@ static int __init usbnet_init(void)
BUILD_BUG_ON(
sizeof_field(struct sk_buff, cb) < sizeof(struct skb_data));
- eth_random_addr(node_id);
return 0;
}
module_init(usbnet_init);
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