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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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6
CHANGELOG
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@ -66,7 +66,11 @@ HISTORY
* api_lib.c: Use memcpy in netbuf_copy_partial.
++ 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
* api_msg.h, api_msg.c, tcpip.h, tcpip.c: Add return types to tcpip_apimsg()
and api_msg_post().

2
src/core/udp.c
View File

@ -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? */
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 */
q = pbuf_alloc(PBUF_IP, UDP_HLEN, PBUF_RAM);
/* new header pbuf could not be allocated? */