[lwip-users] Fixed udp_input() to handle PBUF_REF packets

[Curt McDowell]

Hi,

 

I made a fix to udp_input() in src/core/udp.c rev 1.71.  udp_input() would calculate the checksum wrong and drop the packet if the pbuf was a PBUF_REF (it worked okay for non-PBUF_REF).  The problem was that udp_input() attempted to strip the UDP header, add it back, and strip it again.  But pbuf_header() doesn't allow adding back the header for PBUF_REF.

 

Separately, I changed some formatting in udp.c rev 1.70 to fix wrong indentations and really long lines.

 

Regards,

Curt McDowell

Broadcom Corp.