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ping: fix compiling in dual-stack mode

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This commit is contained in:
Simon Goldschmidt 2023-10-10 20:15:49 +02:00
parent 9e2fb2806f
commit 5ec4c1d1f2
1 changed files with 4 additions and 3 deletions
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7
contrib/apps/ping/ping.c
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@ -298,10 +298,11 @@ ping_recv(void *arg, struct raw_pcb *pcb, struct pbuf *p, const ip_addr_t *addr)
LWIP_UNUSED_ARG(arg);
LWIP_UNUSED_ARG(pcb);
LWIP_UNUSED_ARG(addr);
LWIP_ASSERT("addr != NULL", addr != NULL);
LWIP_ASSERT("p != NULL", p != NULL);
if ((p->tot_len >= (PBUF_IP_HLEN + sizeof(struct icmp_echo_hdr))) &&
pbuf_remove_header(p, PBUF_IP_HLEN) == 0) {
if ((p->tot_len >= (IP_HLEN + sizeof(struct icmp_echo_hdr))) &&
pbuf_remove_header(p, IP_HLEN) == 0) {
iecho = (struct icmp_echo_hdr *)p->payload;
if ((iecho->id == PING_ID) && (iecho->seqno == lwip_htons(ping_seq_num))) {
@ -315,7 +316,7 @@ ping_recv(void *arg, struct raw_pcb *pcb, struct pbuf *p, const ip_addr_t *addr)
return 1; /* eat the packet */
}
/* not eaten, restore original packet */
pbuf_add_header(p, PBUF_IP_HLEN);
pbuf_add_header(p, IP_HLEN);
}
return 0; /* don't eat the packet */