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-rw-r--r--drivers/net/usb/ax88179_178a.c4
-rw-r--r--drivers/net/usb/gl620a.c4
-rw-r--r--drivers/net/usb/mcs7830.c5
-rw-r--r--drivers/net/usb/net1080.c4
-rw-r--r--drivers/net/usb/qmi_wwan.c8
-rw-r--r--drivers/net/usb/rndis_host.c4
-rw-r--r--drivers/net/usb/smsc75xx.c4
-rw-r--r--drivers/net/usb/smsc95xx.c4
-rw-r--r--drivers/net/usb/sr9800.c4
-rw-r--r--drivers/net/usb/usbnet.c25
10 files changed, 45 insertions, 21 deletions
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index d6f64dad05bc..955df81a4358 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -1118,6 +1118,10 @@ static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
u16 hdr_off;
u32 *pkt_hdr;
+ /* This check is no longer done by usbnet */
+ if (skb->len < dev->net->hard_header_len)
+ return 0;
+
skb_trim(skb, skb->len - 4);
memcpy(&rx_hdr, skb_tail_pointer(skb), 4);
le32_to_cpus(&rx_hdr);
diff --git a/drivers/net/usb/gl620a.c b/drivers/net/usb/gl620a.c
index e4a8a93fbaf7..1cc24e6f23e2 100644
--- a/drivers/net/usb/gl620a.c
+++ b/drivers/net/usb/gl620a.c
@@ -84,6 +84,10 @@ static int genelink_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
u32 size;
u32 count;
+ /* This check is no longer done by usbnet */
+ if (skb->len < dev->net->hard_header_len)
+ return 0;
+
header = (struct gl_header *) skb->data;
// get the packet count of the received skb
diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c
index a305a7b2dae6..82d844a8ebd0 100644
--- a/drivers/net/usb/mcs7830.c
+++ b/drivers/net/usb/mcs7830.c
@@ -526,8 +526,9 @@ static int mcs7830_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
{
u8 status;
- if (skb->len == 0) {
- dev_err(&dev->udev->dev, "unexpected empty rx frame\n");
+ /* This check is no longer done by usbnet */
+ if (skb->len < dev->net->hard_header_len) {
+ dev_err(&dev->udev->dev, "unexpected tiny rx frame\n");
return 0;
}
diff --git a/drivers/net/usb/net1080.c b/drivers/net/usb/net1080.c
index 0a85d9227775..4cbdb1307f3e 100644
--- a/drivers/net/usb/net1080.c
+++ b/drivers/net/usb/net1080.c
@@ -364,6 +364,10 @@ static int net1080_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
struct nc_trailer *trailer;
u16 hdr_len, packet_len;
+ /* This check is no longer done by usbnet */
+ if (skb->len < dev->net->hard_header_len)
+ return 0;
+
if (!(skb->len & 0x01)) {
netdev_dbg(dev->net, "rx framesize %d range %d..%d mtu %d\n",
skb->len, dev->net->hard_header_len, dev->hard_mtu,
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 1eddd43b2f32..313cb6cd4848 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -80,10 +80,10 @@ static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
{
__be16 proto;
- /* usbnet rx_complete guarantees that skb->len is at least
- * hard_header_len, so we can inspect the dest address without
- * checking skb->len
- */
+ /* This check is no longer done by usbnet */
+ if (skb->len < dev->net->hard_header_len)
+ return 0;
+
switch (skb->data[0] & 0xf0) {
case 0x40:
proto = htons(ETH_P_IP);
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index a48bc0f20c1a..524a47a28120 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c
@@ -492,6 +492,10 @@ EXPORT_SYMBOL_GPL(rndis_unbind);
*/
int rndis_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
{
+ /* This check is no longer done by usbnet */
+ if (skb->len < dev->net->hard_header_len)
+ return 0;
+
/* peripheral may have batched packets to us... */
while (likely(skb->len)) {
struct rndis_data_hdr *hdr = (void *)skb->data;
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index f17b9e02dd34..d9e7892262fa 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -2106,6 +2106,10 @@ static void smsc75xx_rx_csum_offload(struct usbnet *dev, struct sk_buff *skb,
static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
{
+ /* This check is no longer done by usbnet */
+ if (skb->len < dev->net->hard_header_len)
+ return 0;
+
while (skb->len > 0) {
u32 rx_cmd_a, rx_cmd_b, align_count, size;
struct sk_buff *ax_skb;
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 8dd54a0f7b29..424db65e4396 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1723,6 +1723,10 @@ static void smsc95xx_rx_csum_offload(struct sk_buff *skb)
static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
{
+ /* This check is no longer done by usbnet */
+ if (skb->len < dev->net->hard_header_len)
+ return 0;
+
while (skb->len > 0) {
u32 header, align_count;
struct sk_buff *ax_skb;
diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c
index 801710883727..b94a0fbb8b3b 100644
--- a/drivers/net/usb/sr9800.c
+++ b/drivers/net/usb/sr9800.c
@@ -63,6 +63,10 @@ static int sr_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
{
int offset = 0;
+ /* This check is no longer done by usbnet */
+ if (skb->len < dev->net->hard_header_len)
+ return 0;
+
while (offset + sizeof(u32) < skb->len) {
struct sk_buff *sr_skb;
u16 size;
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 4671da755e7b..dd10d5817d2a 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -542,17 +542,19 @@ static inline void rx_process (struct usbnet *dev, struct sk_buff *skb)
}
// else network stack removes extra byte if we forced a short packet
- if (skb->len) {
- /* all data was already cloned from skb inside the driver */
- if (dev->driver_info->flags & FLAG_MULTI_PACKET)
- dev_kfree_skb_any(skb);
- else
- usbnet_skb_return(dev, skb);
+ /* all data was already cloned from skb inside the driver */
+ if (dev->driver_info->flags & FLAG_MULTI_PACKET)
+ goto done;
+
+ if (skb->len < ETH_HLEN) {
+ dev->net->stats.rx_errors++;
+ dev->net->stats.rx_length_errors++;
+ netif_dbg(dev, rx_err, dev->net, "rx length %d\n", skb->len);
+ } else {
+ usbnet_skb_return(dev, skb);
return;
}
- netif_dbg(dev, rx_err, dev->net, "drop\n");
- dev->net->stats.rx_errors++;
done:
skb_queue_tail(&dev->done, skb);
}
@@ -574,13 +576,6 @@ static void rx_complete (struct urb *urb)
switch (urb_status) {
/* success */
case 0:
- if (skb->len < dev->net->hard_header_len) {
- state = rx_cleanup;
- dev->net->stats.rx_errors++;
- dev->net->stats.rx_length_errors++;
- netif_dbg(dev, rx_err, dev->net,
- "rx length %d\n", skb->len);
- }
break;
/* stalls need manual reset. this is rare ... except that