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Re: [lwip-commits] [SCM] lwIP - A Lightweight TCPIP stack branch, master

From: Sylvain Rochet
Subject: Re: [lwip-commits] [SCM] lwIP - A Lightweight TCPIP stack branch, master, updated. b135a0aa4905d30b2fae0b67f7ee2dba2c4c12f7
Date: Thu, 19 Mar 2015 11:34:25 +0100
User-agent: Mutt/1.5.21 (2010-09-15)

Hello Simon,

On Thu, Mar 19, 2015 at 06:14:38AM +0000, Simon Goldschmidt wrote:
>     pppos_input_tcpip: fix pbuf leak if tcpip_input returns error, use 
> pbuf_take instead of duplicate copy code

Oh!, thanks for that :)

I wonder how many lwIP ports are buggy concerning this point then.

I also wonder why pbuf_take() is done this way, isn't it guaranteed that 
pbuf_alloc() returns either the wanted size or NULL ?  Looks like it can
return less than the wanted size based on how pbuf_take() is written.


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