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| author | James Morris <jmorris@namei.org> | 2011-05-19 12:51:57 +0400 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-05-19 12:51:57 +0400 |
| commit | 12a5a2621b1ee14d32beca35304d7c6076a58815 (patch) | |
| tree | 213e13f99de690b3c4a510f504393b63ada626bd /drivers/net/usb/ipheth.c | |
| parent | e77dc3460fa59be5759e9327ad882868eee9d61b (diff) | |
| parent | 61c4f2c81c61f73549928dfd9f3e8f26aa36a8cf (diff) | |
| download | linux-12a5a2621b1ee14d32beca35304d7c6076a58815.tar.xz | |
Merge branch 'master' into next
Conflicts:
include/linux/capability.h
Manually resolve merge conflict w/ thanks to Stephen Rothwell.
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'drivers/net/usb/ipheth.c')
| -rw-r--r-- | drivers/net/usb/ipheth.c | 14 |
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); |