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Found a little bug in ARP_QUEUEING: if pbuf_alloc for the packet to be queued failed, pbuf_copy was called with a NULL pointer.

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goldsimon 2007-05-14 20:10:46 +00:00
parent 3c32c993f5
commit 6c39b8a10c
1 changed files with 5 additions and 3 deletions
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8
src/netif/etharp.c
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@ -865,9 +865,11 @@ err_t etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pbuf *q)
if(copy_needed) { if(copy_needed) {
/* copy the whole packet into new pbufs */ /* copy the whole packet into new pbufs */
p = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM); p = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM);
if (pbuf_copy(p, q) != ERR_OK) { if(p != NULL) {
pbuf_free(p); if (pbuf_copy(p, q) != ERR_OK) {
p = NULL; pbuf_free(p);
p = NULL;
}
} }
} else { } else {
/* referencing the old pbuf is enough */ /* referencing the old pbuf is enough */