[lwip-users] Re: [lwip] Memory leak and queued packets in etharp.c

[Nicolas Moreau]

Just out of curiosity, is someone validating, applying these patches ?

Nic

Quoting Martin Glunz <address@hidden>:

> Hello
> 
> I´ve found a memory leak in the etharp.c module:
> When etharp_output() returns an ARP request instead of
> the original packet, the pbuf containing the request
> will not be freed. My fix is the insertion of a new
> function etharp_arp_free() that should be called after
> the packet is sent.
> 
> There is another problem in etharp.c:
> If a packet gets queued because an ARP request must be sent,
> pbuf_ref() is called for this packet. This is ok so far, but
> if the queued pbuf is chained, the chain may get lost later,
> but before the packet is resent. I´ve fixed this in 
> pbuf_dechain() in pbuf.c.


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