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pbuf_copy: chained pbufs were not copied correctly because of wrong packet-queue-check

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goldsimon 2007-06-14 07:22:43 +00:00
parent c0925d2d04
commit 978c68dcf8
1 changed files with 8 additions and 4 deletions
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12
src/core/pbuf.c
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@ -727,15 +727,19 @@ pbuf_copy(struct pbuf *p_to, struct pbuf *p_from)
if((p_from != NULL) && (p_from->len == p_from->tot_len)) { if((p_from != NULL) && (p_from->len == p_from->tot_len)) {
/* don't copy more than one packet! */ /* don't copy more than one packet! */
LWIP_ASSERT("pbuf_copy() does not allow packet queues!\n", if (p_from->next != NULL) {
LWIP_ASSERT("pbuf_copy() does not allow packet queues!\n",
p_from->next == NULL); p_from->next == NULL);
return ERR_VAL; return ERR_VAL;
}
} }
if((p_to != NULL) && (p_to->len == p_to->tot_len)) { if((p_to != NULL) && (p_to->len == p_to->tot_len)) {
/* don't copy more than one packet! */ /* don't copy more than one packet! */
LWIP_ASSERT("pbuf_copy() does not allow packet queues!\n", if (p_from->next != NULL) {
LWIP_ASSERT("pbuf_copy() does not allow packet queues!\n",
p_to->next == NULL); p_to->next == NULL);
return ERR_VAL; return ERR_VAL;
}
} }
} while (p_from); } while (p_from);
LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE | 1, ("pbuf_copy: end of chain reached.\n")); LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE | 1, ("pbuf_copy: end of chain reached.\n"));