|
From: | Charles Landau |
Subject: | [lwip-users] Zero-length pbuf |
Date: | Thu, 11 Dec 2008 10:46:08 -0800 |
User-agent: | Thunderbird 2.0.0.18 (Macintosh/20081105) |
It can happen that the pbuf chain queue->p is a chain of two (or more) pbufs, the first of which has only a TCP header (added at line 258). Removing the TCP header leaves this pbuf with a zero length. Appending this to useg using pbuf_cat() leaves the zero length pbuf in the chain. This leaves a useless zero length pbuf allocated and taking up space limited by TCP_SND_QUEUELEN.
I suggest in this case the zero length pbuf should be freed and only the rest of its chain appended to useg.
[Prev in Thread] | Current Thread | [Next in Thread] |