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6lowpan_rtnl: fix off by one while fragmentation

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This patch fix a off by one error while fragmentation. If the frag_cap
value is equal to skb_unprocessed value we need to stop the
fragmentation loop because the last fragment which has a size of
skb_unprocessed fits into the frag capability size.

This issue was introduced by commit d4b2816d67
("6lowpan: fix fragmentation").

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Aring 2014-06-02 13:21:58 +02:00 committed by David S. Miller
parent 51263fffad
commit eb06481d69
1 changed files with 1 additions and 1 deletions
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2
net/ieee802154/6lowpan_rtnl.c
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@ -328,7 +328,7 @@ lowpan_xmit_fragmented(struct sk_buff *skb, struct net_device *dev,
__func__, frag_tag, skb_offset);
goto err;
}
} while (skb_unprocessed >= frag_cap);
} while (skb_unprocessed > frag_cap);
consume_skb(skb);
return NET_XMIT_SUCCESS;