On Tue, Sep 16, 2014 at 10:04:57AM +0300, Jukka Rissanen wrote: > Hi Martin, > > On ma, 2014-09-15 at 15:09 +0100, Martin Townsend wrote: > > Currently there are a number of error paths in the lowpan_rcv function that > > free the skb before returning, the patch simplifies the receive path by > > ensuring that the skb is only freed from this function. > > > > Passing the skb from 6lowpan up to the higher layers is not a > > function of IPHC. By moving it out of IPHC we also remove the > > need to support error code returns with NET_RX codes. > > It also makes the lowpan_rcv function more extendable as we > > can support more compression schemes. > > > > With the above 2 lowpan_rcv is refacored so eliminate incorrect return > > values. > > I like the idea that we get rid of the callback function. > > We could probably refactor the patch a bit further thou as the > lowpan_process_data() could return the skb directly instead of being > passed as a parameter. In the caller we could use the IS_ERR() macro to > check if the returned value is an error or a real pointer. > > ack, then we can also drop the **inout_skb thing.
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