* [PATCH] mini-os: free dropped lwip packets
@ 2008-03-25 17:08 Samuel Thibault
0 siblings, 0 replies; only message in thread
From: Samuel Thibault @ 2008-03-25 17:08 UTC (permalink / raw)
To: xen-devel
mini-os: free dropped lwip packets
When lwIP can not accept a packet, it is up to us to free it.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
diff -r be3025f6af2e extras/mini-os/lwip-net.c
--- a/extras/mini-os/lwip-net.c Mon Mar 24 18:24:03 2008 +0000
+++ b/extras/mini-os/lwip-net.c Tue Mar 25 17:05:53 2008 +0000
@@ -206,13 +206,16 @@ netfront_input(struct netif *netif, unsi
/* skip Ethernet header */
pbuf_header(p, -(s16)sizeof(struct eth_hdr));
/* pass to network layer */
- tcpip_input(p, netif);
+ if (tcpip_input(p, netif) == ERR_MEM)
+ /* Could not store it, drop */
+ pbuf_free(p);
break;
case ETHTYPE_ARP:
/* pass p to ARP module */
etharp_arp_input(netif, (struct eth_addr *) netif->hwaddr, p);
break;
+
default:
pbuf_free(p);
p = NULL;
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2008-03-25 17:08 [PATCH] mini-os: free dropped lwip packets Samuel Thibault
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