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Re-added pbuf_dechain() in udp_send() as it breaks current applications.

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likewise 2003-03-24 12:57:00 +00:00
parent c60d0de919
commit 7a92011933
1 changed files with 5 additions and 2 deletions
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7
src/core/udp.c
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@ -339,7 +339,7 @@ udp_send(struct udp_pcb *pcb, struct pbuf *p)
to be allocated. */ to be allocated. */
hdr = NULL; hdr = NULL;
/* succeeding in adding an UDP header to first given pbuf in chain? */ /* not enough space to add an UDP header to first pbuf in given p chain? */
if(pbuf_header(p, UDP_HLEN)) { if(pbuf_header(p, UDP_HLEN)) {
/* allocate header in new pbuf */ /* allocate header in new pbuf */
hdr = pbuf_alloc(PBUF_IP, UDP_HLEN, PBUF_RAM); hdr = pbuf_alloc(PBUF_IP, UDP_HLEN, PBUF_RAM);
@ -405,8 +405,11 @@ udp_send(struct udp_pcb *pcb, struct pbuf *p)
/* output to IP */ /* output to IP */
err = ip_output_if(p, src_ip, &pcb->remote_ip, UDP_TTL, IP_PROTO_UDP, netif); err = ip_output_if(p, src_ip, &pcb->remote_ip, UDP_TTL, IP_PROTO_UDP, netif);
} }
/* dechain and free the header pbuf */ /* dechain and free any header pbuf */
if(hdr != NULL) { if(hdr != NULL) {
/* detach the header prepended earlier */
pbuf_dechain(hdr);
/* free the header */
pbuf_free(hdr); pbuf_free(hdr);
} }