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lwip: rework for low_level_output

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This commit is contained in:
Liu Zhi Fu 2016-11-20 17:05:44 +08:00
parent fa57720cdf
commit 8cd48d9f9c
1 changed files with 5 additions and 4 deletions
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9
components/lwip/port/netif/wlanif.c
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@ -126,8 +126,9 @@ low_level_output(struct netif *netif, struct pbuf *p)
return ERR_IF;
}
if(q->next !=NULL)
{
if(q->next == NULL) {
ret = esp_wifi_internal_tx(wifi_if, q->payload, q->len);
} else {
LWIP_DEBUGF(PBUF_DEBUG, ("low_level_output: pbuf is a list, application may has bug"));
printf("low level_output: len=%d\n", p->tot_len);
q = pbuf_alloc(PBUF_RAW_TX, p->tot_len, PBUF_RAM);
@ -136,10 +137,10 @@ low_level_output(struct netif *netif, struct pbuf *p)
} else {
return ERR_MEM;
}
ret = esp_wifi_internal_tx(wifi_if, q->payload, q->len);
pbuf_free(q);
}
ret = esp_wifi_internal_tx(wifi_if, q->payload, q->len);
pbuf_free(q);
return ret;
}