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authorIngo Molnar <mingo@elte.hu>2010-12-23 09:48:41 +0100
committerIngo Molnar <mingo@elte.hu>2010-12-23 09:48:41 +0100
commit26e20a108caca6231c6a5ec659f815a866904751 (patch)
tree36932c208a9e8994bfd7ed4eaf48b9c33f71fbe3 /drivers/staging/batman-adv/soft-interface.c
parent691513f70d3957939a318da970987b876c720861 (diff)
parent90a8a73c06cc32b609a880d48449d7083327e11a (diff)
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Merge commit 'v2.6.37-rc7' into x86/security
Diffstat (limited to 'drivers/staging/batman-adv/soft-interface.c')
-rw-r--r--drivers/staging/batman-adv/soft-interface.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/staging/batman-adv/soft-interface.c b/drivers/staging/batman-adv/soft-interface.c
index 3904db9ce7b1..0e996181daf7 100644
--- a/drivers/staging/batman-adv/soft-interface.c
+++ b/drivers/staging/batman-adv/soft-interface.c
@@ -194,14 +194,15 @@ void interface_rx(struct net_device *soft_iface,
struct bat_priv *priv = netdev_priv(soft_iface);
/* check if enough space is available for pulling, and pull */
- if (!pskb_may_pull(skb, hdr_size)) {
- kfree_skb(skb);
- return;
- }
+ if (!pskb_may_pull(skb, hdr_size))
+ goto dropped;
+
skb_pull_rcsum(skb, hdr_size);
/* skb_set_mac_header(skb, -sizeof(struct ethhdr));*/
/* skb->dev & skb->pkt_type are set here */
+ if (unlikely(!pskb_may_pull(skb, ETH_HLEN)))
+ goto dropped;
skb->protocol = eth_type_trans(skb, soft_iface);
/* should not be neccesary anymore as we use skb_pull_rcsum()
@@ -216,6 +217,11 @@ void interface_rx(struct net_device *soft_iface,
soft_iface->last_rx = jiffies;
netif_rx(skb);
+ return;
+
+dropped:
+ kfree_skb(skb);
+ return;
}
#ifdef HAVE_NET_DEVICE_OPS