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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-10 17:39:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-10 17:39:01 -0700
commit9f381a61f58bb6487c93ce2233bb9992f8ea9211 (patch)
tree579baf2e2893ea97599db9da807ed334d11f11d5 /drivers/net/usb/ipheth.c
parent21a43e397e7f66d3be44e09b54045f1a67838cc0 (diff)
parent9bbc052d5e63512b0ce4e201ea97e12fba9fda82 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (27 commits) slcan: fix ldisc->open retval net/usb: mark LG VL600 LTE modem ethernet interface as WWAN xfrm: Don't allow esn with disabled anti replay detection xfrm: Assign the inner mode output function to the dst entry net: dev_close() should check IFF_UP vlan: fix GVRP at dismantle time netfilter: revert a2361c8735e07322023aedc36e4938b35af31eb0 netfilter: IPv6: fix DSCP mangle code netfilter: IPv6: initialize TOS field in REJECT target module IPVS: init and cleanup restructuring IPVS: Change of socket usage to enable name space exit. netfilter: ebtables: only call xt_compat_add_offset once per rule netfilter: fix ebtables compat support netfilter: ctnetlink: fix timestamp support for new conntracks pch_gbe: support ML7223 IOH PCH_GbE : Fixed the issue of checksum judgment PCH_GbE : Fixed the issue of collision detection NET: slip, fix ldisc->open retval be2net: Fixed bugs related to PVID. ehea: fix wrongly reported speed and port ...
Diffstat (limited to 'drivers/net/usb/ipheth.c')
-rw-r--r--drivers/net/usb/ipheth.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index 7d42f9a2c068..81126ff85e05 100644
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -65,6 +65,7 @@
#define IPHETH_USBINTF_PROTO 1
#define IPHETH_BUF_SIZE 1516
+#define IPHETH_IP_ALIGN 2 /* padding at front of URB */
#define IPHETH_TX_TIMEOUT (5 * HZ)
#define IPHETH_INTFNUM 2
@@ -202,18 +203,21 @@ static void ipheth_rcvbulk_callback(struct urb *urb)
return;
}
- len = urb->actual_length;
- buf = urb->transfer_buffer;
+ if (urb->actual_length <= IPHETH_IP_ALIGN) {
+ dev->net->stats.rx_length_errors++;
+ return;
+ }
+ len = urb->actual_length - IPHETH_IP_ALIGN;
+ buf = urb->transfer_buffer + IPHETH_IP_ALIGN;
- skb = dev_alloc_skb(NET_IP_ALIGN + len);
+ skb = dev_alloc_skb(len);
if (!skb) {
err("%s: dev_alloc_skb: -ENOMEM", __func__);
dev->net->stats.rx_dropped++;
return;
}
- skb_reserve(skb, NET_IP_ALIGN);
- memcpy(skb_put(skb, len), buf + NET_IP_ALIGN, len - NET_IP_ALIGN);
+ memcpy(skb_put(skb, len), buf, len);
skb->dev = dev->net;
skb->protocol = eth_type_trans(skb, dev->net);