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-rw-r--r--drivers/net/usb/ax88179_178a.c17
-rw-r--r--drivers/net/usb/cdc_mbim.c4
-rw-r--r--drivers/net/usb/hso.c15
-rw-r--r--drivers/net/usb/r8152.c126
-rw-r--r--drivers/net/usb/r815x.c62
-rw-r--r--drivers/net/usb/smsc75xx.c12
-rw-r--r--drivers/net/usb/usbnet.c45
7 files changed, 171 insertions, 110 deletions
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index 1e3c302d94fe..4233c05a3e32 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -1028,11 +1028,19 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
dev->mii.phy_id = 0x03;
dev->mii.supports_gmii = 1;
+ if (usb_device_no_sg_constraint(dev->udev))
+ dev->can_dma_sg = 1;
+
dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO;
+ NETIF_F_RXCSUM;
dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO;
+ NETIF_F_RXCSUM;
+
+ if (dev->can_dma_sg) {
+ dev->net->features |= NETIF_F_SG | NETIF_F_TSO;
+ dev->net->hw_features |= NETIF_F_SG | NETIF_F_TSO;
+ }
/* Enable checksum offload */
*tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
@@ -1173,7 +1181,6 @@ ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
if (((skb->len + 8) % frame_size) == 0)
tx_hdr2 |= 0x80008000; /* Enable padding */
- skb_linearize(skb);
headroom = skb_headroom(skb);
tailroom = skb_tailroom(skb);
@@ -1317,10 +1324,10 @@ static int ax88179_reset(struct usbnet *dev)
1, 1, tmp);
dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO;
+ NETIF_F_RXCSUM;
dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO;
+ NETIF_F_RXCSUM;
/* Enable checksum offload */
*tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index 872819851aef..25ba7eca9a13 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -400,6 +400,10 @@ static const struct usb_device_id mbim_devs[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x68a2, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&cdc_mbim_info_zlp,
},
+ /* HP hs2434 Mobile Broadband Module needs ZLPs */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3f0, 0x4b1d, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&cdc_mbim_info_zlp,
+ },
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&cdc_mbim_info,
},
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index cba1d46e672e..86292e6aaf49 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2816,13 +2816,16 @@ exit:
static int hso_get_config_data(struct usb_interface *interface)
{
struct usb_device *usbdev = interface_to_usbdev(interface);
- u8 config_data[17];
+ u8 *config_data = kmalloc(17, GFP_KERNEL);
u32 if_num = interface->altsetting->desc.bInterfaceNumber;
s32 result;
+ if (!config_data)
+ return -ENOMEM;
if (usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0),
0x86, 0xC0, 0, 0, config_data, 17,
USB_CTRL_SET_TIMEOUT) != 0x11) {
+ kfree(config_data);
return -EIO;
}
@@ -2873,6 +2876,7 @@ static int hso_get_config_data(struct usb_interface *interface)
if (config_data[16] & 0x1)
result |= HSO_INFO_CRC_BUG;
+ kfree(config_data);
return result;
}
@@ -2886,6 +2890,11 @@ static int hso_probe(struct usb_interface *interface,
struct hso_shared_int *shared_int;
struct hso_device *tmp_dev = NULL;
+ if (interface->cur_altsetting->desc.bInterfaceClass != 0xFF) {
+ dev_err(&interface->dev, "Not our interface\n");
+ return -ENODEV;
+ }
+
if_num = interface->altsetting->desc.bInterfaceNumber;
/* Get the interface/port specification from either driver_info or from
@@ -2895,10 +2904,6 @@ static int hso_probe(struct usb_interface *interface,
else
port_spec = hso_get_config_data(interface);
- if (interface->cur_altsetting->desc.bInterfaceClass != 0xFF) {
- dev_err(&interface->dev, "Not our interface\n");
- return -ENODEV;
- }
/* Check if we need to switch to alt interfaces prior to port
* configuration */
if (interface->num_altsetting > 1)
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index ee13f9eb740c..11c51f275366 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -344,17 +344,41 @@ static const int multicast_filter_limit = 32;
static
int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
{
- return usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0),
+ int ret;
+ void *tmp;
+
+ tmp = kmalloc(size, GFP_KERNEL);
+ if (!tmp)
+ return -ENOMEM;
+
+ ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0),
RTL8152_REQ_GET_REGS, RTL8152_REQT_READ,
- value, index, data, size, 500);
+ value, index, tmp, size, 500);
+
+ memcpy(data, tmp, size);
+ kfree(tmp);
+
+ return ret;
}
static
int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
{
- return usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0),
+ int ret;
+ void *tmp;
+
+ tmp = kmalloc(size, GFP_KERNEL);
+ if (!tmp)
+ return -ENOMEM;
+
+ memcpy(tmp, data, size);
+
+ ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0),
RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE,
- value, index, data, size, 500);
+ value, index, tmp, size, 500);
+
+ kfree(tmp);
+ return ret;
}
static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size,
@@ -490,37 +514,31 @@ int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index)
{
- u32 data;
+ __le32 data;
- if (type == MCU_TYPE_PLA)
- pla_ocp_read(tp, index, sizeof(data), &data);
- else
- usb_ocp_read(tp, index, sizeof(data), &data);
+ generic_ocp_read(tp, index, sizeof(data), &data, type);
return __le32_to_cpu(data);
}
static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data)
{
- if (type == MCU_TYPE_PLA)
- pla_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(data), &data);
- else
- usb_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(data), &data);
+ __le32 tmp = __cpu_to_le32(data);
+
+ generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type);
}
static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index)
{
u32 data;
+ __le32 tmp;
u8 shift = index & 2;
index &= ~3;
- if (type == MCU_TYPE_PLA)
- pla_ocp_read(tp, index, sizeof(data), &data);
- else
- usb_ocp_read(tp, index, sizeof(data), &data);
+ generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
- data = __le32_to_cpu(data);
+ data = __le32_to_cpu(tmp);
data >>= (shift * 8);
data &= 0xffff;
@@ -529,7 +547,8 @@ static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index)
static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data)
{
- u32 tmp, mask = 0xffff;
+ u32 mask = 0xffff;
+ __le32 tmp;
u16 byen = BYTE_EN_WORD;
u8 shift = index & 2;
@@ -542,34 +561,25 @@ static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data)
index &= ~3;
}
- if (type == MCU_TYPE_PLA)
- pla_ocp_read(tp, index, sizeof(tmp), &tmp);
- else
- usb_ocp_read(tp, index, sizeof(tmp), &tmp);
+ generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
- tmp = __le32_to_cpu(tmp) & ~mask;
- tmp |= data;
- tmp = __cpu_to_le32(tmp);
+ data |= __le32_to_cpu(tmp) & ~mask;
+ tmp = __cpu_to_le32(data);
- if (type == MCU_TYPE_PLA)
- pla_ocp_write(tp, index, byen, sizeof(tmp), &tmp);
- else
- usb_ocp_write(tp, index, byen, sizeof(tmp), &tmp);
+ generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
}
static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index)
{
u32 data;
+ __le32 tmp;
u8 shift = index & 3;
index &= ~3;
- if (type == MCU_TYPE_PLA)
- pla_ocp_read(tp, index, sizeof(data), &data);
- else
- usb_ocp_read(tp, index, sizeof(data), &data);
+ generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
- data = __le32_to_cpu(data);
+ data = __le32_to_cpu(tmp);
data >>= (shift * 8);
data &= 0xff;
@@ -578,7 +588,8 @@ static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index)
static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data)
{
- u32 tmp, mask = 0xff;
+ u32 mask = 0xff;
+ __le32 tmp;
u16 byen = BYTE_EN_BYTE;
u8 shift = index & 3;
@@ -591,19 +602,12 @@ static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data)
index &= ~3;
}
- if (type == MCU_TYPE_PLA)
- pla_ocp_read(tp, index, sizeof(tmp), &tmp);
- else
- usb_ocp_read(tp, index, sizeof(tmp), &tmp);
+ generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
- tmp = __le32_to_cpu(tmp) & ~mask;
- tmp |= data;
- tmp = __cpu_to_le32(tmp);
+ data |= __le32_to_cpu(tmp) & ~mask;
+ tmp = __cpu_to_le32(data);
- if (type == MCU_TYPE_PLA)
- pla_ocp_write(tp, index, byen, sizeof(tmp), &tmp);
- else
- usb_ocp_write(tp, index, byen, sizeof(tmp), &tmp);
+ generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
}
static void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value)
@@ -685,21 +689,14 @@ static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data)
static inline void set_ethernet_addr(struct r8152 *tp)
{
struct net_device *dev = tp->netdev;
- u8 *node_id;
-
- node_id = kmalloc(sizeof(u8) * 8, GFP_KERNEL);
- if (!node_id) {
- netif_err(tp, probe, dev, "out of memory");
- return;
- }
+ u8 node_id[8] = {0};
- if (pla_ocp_read(tp, PLA_IDR, sizeof(u8) * 8, node_id) < 0)
+ if (pla_ocp_read(tp, PLA_IDR, sizeof(node_id), node_id) < 0)
netif_notice(tp, probe, dev, "inet addr fail\n");
else {
memcpy(dev->dev_addr, node_id, dev->addr_len);
memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
}
- kfree(node_id);
}
static int rtl8152_set_mac_address(struct net_device *netdev, void *p)
@@ -882,15 +879,10 @@ static void rtl8152_set_rx_mode(struct net_device *netdev)
static void _rtl8152_set_rx_mode(struct net_device *netdev)
{
struct r8152 *tp = netdev_priv(netdev);
- u32 tmp, *mc_filter; /* Multicast hash filter */
+ u32 mc_filter[2]; /* Multicast hash filter */
+ __le32 tmp[2];
u32 ocp_data;
- mc_filter = kmalloc(sizeof(u32) * 2, GFP_KERNEL);
- if (!mc_filter) {
- netif_err(tp, link, netdev, "out of memory");
- return;
- }
-
clear_bit(RTL8152_SET_RX_MODE, &tp->flags);
netif_stop_queue(netdev);
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
@@ -918,14 +910,12 @@ static void _rtl8152_set_rx_mode(struct net_device *netdev)
}
}
- tmp = mc_filter[0];
- mc_filter[0] = __cpu_to_le32(swab32(mc_filter[1]));
- mc_filter[1] = __cpu_to_le32(swab32(tmp));
+ tmp[0] = __cpu_to_le32(swab32(mc_filter[1]));
+ tmp[1] = __cpu_to_le32(swab32(mc_filter[0]));
- pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(u32) * 2, mc_filter);
+ pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp);
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
netif_wake_queue(netdev);
- kfree(mc_filter);
}
static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb,
diff --git a/drivers/net/usb/r815x.c b/drivers/net/usb/r815x.c
index 852392269718..2df2f4fb42a7 100644
--- a/drivers/net/usb/r815x.c
+++ b/drivers/net/usb/r815x.c
@@ -24,34 +24,43 @@
static int pla_read_word(struct usb_device *udev, u16 index)
{
- int data, ret;
+ int ret;
u8 shift = index & 2;
- __le32 ocp_data;
+ __le32 *tmp;
+
+ tmp = kmalloc(sizeof(*tmp), GFP_KERNEL);
+ if (!tmp)
+ return -ENOMEM;
index &= ~3;
ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL815x_REQ_GET_REGS, RTL815x_REQT_READ,
- index, MCU_TYPE_PLA, &ocp_data, sizeof(ocp_data),
- 500);
+ index, MCU_TYPE_PLA, tmp, sizeof(*tmp), 500);
if (ret < 0)
- return ret;
+ goto out2;
- data = __le32_to_cpu(ocp_data);
- data >>= (shift * 8);
- data &= 0xffff;
+ ret = __le32_to_cpu(*tmp);
+ ret >>= (shift * 8);
+ ret &= 0xffff;
- return data;
+out2:
+ kfree(tmp);
+ return ret;
}
static int pla_write_word(struct usb_device *udev, u16 index, u32 data)
{
- __le32 ocp_data;
+ __le32 *tmp;
u32 mask = 0xffff;
u16 byen = BYTE_EN_WORD;
u8 shift = index & 2;
int ret;
+ tmp = kmalloc(sizeof(*tmp), GFP_KERNEL);
+ if (!tmp)
+ return -ENOMEM;
+
data &= mask;
if (shift) {
@@ -63,19 +72,20 @@ static int pla_write_word(struct usb_device *udev, u16 index, u32 data)
ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL815x_REQ_GET_REGS, RTL815x_REQT_READ,
- index, MCU_TYPE_PLA, &ocp_data, sizeof(ocp_data),
- 500);
+ index, MCU_TYPE_PLA, tmp, sizeof(*tmp), 500);
if (ret < 0)
- return ret;
+ goto out3;
- data |= __le32_to_cpu(ocp_data) & ~mask;
- ocp_data = __cpu_to_le32(data);
+ data |= __le32_to_cpu(*tmp) & ~mask;
+ *tmp = __cpu_to_le32(data);
ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
RTL815x_REQ_SET_REGS, RTL815x_REQT_WRITE,
- index, MCU_TYPE_PLA | byen, &ocp_data,
- sizeof(ocp_data), 500);
+ index, MCU_TYPE_PLA | byen, tmp, sizeof(*tmp),
+ 500);
+out3:
+ kfree(tmp);
return ret;
}
@@ -116,11 +126,18 @@ out1:
static int r815x_mdio_read(struct net_device *netdev, int phy_id, int reg)
{
struct usbnet *dev = netdev_priv(netdev);
+ int ret;
if (phy_id != R815x_PHY_ID)
return -EINVAL;
- return ocp_reg_read(dev, BASE_MII + reg * 2);
+ if (usb_autopm_get_interface(dev->intf) < 0)
+ return -ENODEV;
+
+ ret = ocp_reg_read(dev, BASE_MII + reg * 2);
+
+ usb_autopm_put_interface(dev->intf);
+ return ret;
}
static
@@ -131,7 +148,12 @@ void r815x_mdio_write(struct net_device *netdev, int phy_id, int reg, int val)
if (phy_id != R815x_PHY_ID)
return;
+ if (usb_autopm_get_interface(dev->intf) < 0)
+ return;
+
ocp_reg_write(dev, BASE_MII + reg * 2, val);
+
+ usb_autopm_put_interface(dev->intf);
}
static int r8153_bind(struct usbnet *dev, struct usb_interface *intf)
@@ -150,7 +172,7 @@ static int r8153_bind(struct usbnet *dev, struct usb_interface *intf)
dev->mii.phy_id = R815x_PHY_ID;
dev->mii.supports_gmii = 1;
- return 0;
+ return status;
}
static int r8152_bind(struct usbnet *dev, struct usb_interface *intf)
@@ -169,7 +191,7 @@ static int r8152_bind(struct usbnet *dev, struct usb_interface *intf)
dev->mii.phy_id = R815x_PHY_ID;
dev->mii.supports_gmii = 0;
- return 0;
+ return status;
}
static const struct driver_info r8152_info = {
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 75409748c774..66ebbacf066f 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -45,7 +45,6 @@
#define EEPROM_MAC_OFFSET (0x01)
#define DEFAULT_TX_CSUM_ENABLE (true)
#define DEFAULT_RX_CSUM_ENABLE (true)
-#define DEFAULT_TSO_ENABLE (true)
#define SMSC75XX_INTERNAL_PHY_ID (1)
#define SMSC75XX_TX_OVERHEAD (8)
#define MAX_RX_FIFO_SIZE (20 * 1024)
@@ -1410,17 +1409,14 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf)
INIT_WORK(&pdata->set_multicast, smsc75xx_deferred_multicast_write);
- if (DEFAULT_TX_CSUM_ENABLE) {
+ if (DEFAULT_TX_CSUM_ENABLE)
dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
- if (DEFAULT_TSO_ENABLE)
- dev->net->features |= NETIF_F_SG |
- NETIF_F_TSO | NETIF_F_TSO6;
- }
+
if (DEFAULT_RX_CSUM_ENABLE)
dev->net->features |= NETIF_F_RXCSUM;
dev->net->hw_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_RXCSUM;
+ NETIF_F_RXCSUM;
ret = smsc75xx_wait_ready(dev, 0);
if (ret < 0) {
@@ -2200,8 +2196,6 @@ static struct sk_buff *smsc75xx_tx_fixup(struct usbnet *dev,
{
u32 tx_cmd_a, tx_cmd_b;
- skb_linearize(skb);
-
if (skb_headroom(skb) < SMSC75XX_TX_OVERHEAD) {
struct sk_buff *skb2 =
skb_copy_expand(skb, SMSC75XX_TX_OVERHEAD, 0, flags);
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 06ee82f557d4..27a00b006033 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1197,6 +1197,37 @@ EXPORT_SYMBOL_GPL(usbnet_tx_timeout);
/*-------------------------------------------------------------------------*/
+static int build_dma_sg(const struct sk_buff *skb, struct urb *urb)
+{
+ unsigned num_sgs, total_len = 0;
+ int i, s = 0;
+
+ num_sgs = skb_shinfo(skb)->nr_frags + 1;
+ if (num_sgs == 1)
+ return 0;
+
+ urb->sg = kmalloc(num_sgs * sizeof(struct scatterlist), GFP_ATOMIC);
+ if (!urb->sg)
+ return -ENOMEM;
+
+ urb->num_sgs = num_sgs;
+ sg_init_table(urb->sg, urb->num_sgs);
+
+ sg_set_buf(&urb->sg[s++], skb->data, skb_headlen(skb));
+ total_len += skb_headlen(skb);
+
+ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+ struct skb_frag_struct *f = &skb_shinfo(skb)->frags[i];
+
+ total_len += skb_frag_size(f);
+ sg_set_page(&urb->sg[i + s], f->page.p, f->size,
+ f->page_offset);
+ }
+ urb->transfer_buffer_length = total_len;
+
+ return 1;
+}
+
netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
struct net_device *net)
{
@@ -1223,7 +1254,6 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
goto drop;
}
}
- length = skb->len;
if (!(urb = usb_alloc_urb (0, GFP_ATOMIC))) {
netif_dbg(dev, tx_err, dev->net, "no urb\n");
@@ -1233,10 +1263,14 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
entry = (struct skb_data *) skb->cb;
entry->urb = urb;
entry->dev = dev;
- entry->length = length;
usb_fill_bulk_urb (urb, dev->udev, dev->out,
skb->data, skb->len, tx_complete, skb);
+ if (dev->can_dma_sg) {
+ if (build_dma_sg(skb, urb) < 0)
+ goto drop;
+ }
+ entry->length = length = urb->transfer_buffer_length;
/* don't assume the hardware handles USB_ZERO_PACKET
* NOTE: strictly conforming cdc-ether devices should expect
@@ -1305,7 +1339,10 @@ drop:
not_drop:
if (skb)
dev_kfree_skb_any (skb);
- usb_free_urb (urb);
+ if (urb) {
+ kfree(urb->sg);
+ usb_free_urb(urb);
+ }
} else
netif_dbg(dev, tx_queued, dev->net,
"> tx, len %d, type 0x%x\n", length, skb->protocol);
@@ -1356,6 +1393,7 @@ static void usbnet_bh (unsigned long param)
rx_process (dev, skb);
continue;
case tx_done:
+ kfree(entry->urb->sg);
case rx_cleanup:
usb_free_urb (entry->urb);
dev_kfree_skb (skb);
@@ -1689,6 +1727,7 @@ int usbnet_resume (struct usb_interface *intf)
retval = usb_submit_urb(res, GFP_ATOMIC);
if (retval < 0) {
dev_kfree_skb_any(skb);
+ kfree(res->sg);
usb_free_urb(res);
usb_autopm_put_interface_async(dev->intf);
} else {
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-07 15:22:39 +0300