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udp.c: Only try and use pbuf_header() to make space for headers if

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not a ROM or REF pbuf.
This commit is contained in:
kieranm 2007-03-20 16:58:08 +00:00
parent b035a6196a
commit b290f0442d
2 changed files with 6 additions and 2 deletions
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4
CHANGELOG
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@ -67,6 +67,10 @@ HISTORY
++ Bug fixes: ++ Bug fixes:
2007-03-20 Kieran Mansley
* udp.c: Only try and use pbuf_header() to make space for headers if
not a ROM or REF pbuf.
2007-03-19 Frédéric Bernon 2007-03-19 Frédéric Bernon
* api_msg.h, api_msg.c, tcpip.h, tcpip.c: Add return types to tcpip_apimsg() * api_msg.h, api_msg.c, tcpip.h, tcpip.c: Add return types to tcpip_apimsg()
and api_msg_post(). and api_msg_post().

2
src/core/udp.c
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@ -319,7 +319,7 @@ udp_send(struct udp_pcb *pcb, struct pbuf *p)
} }
/* not enough space to add an UDP header to first pbuf in given p chain? */ /* not enough space to add an UDP header to first pbuf in given p chain? */
if (pbuf_header(p, UDP_HLEN)) { if (p->flags == PBUF_FLAG_ROM || p->flags == PBUF_FLAG_REF || pbuf_header(p, UDP_HLEN)) {
/* allocate header in a seperate new pbuf */ /* allocate header in a seperate new pbuf */
q = pbuf_alloc(PBUF_IP, UDP_HLEN, PBUF_RAM); q = pbuf_alloc(PBUF_IP, UDP_HLEN, PBUF_RAM);
/* new header pbuf could not be allocated? */ /* new header pbuf could not be allocated? */