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ICMP: Fix unused value in icmp_input (found by Coverity)

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This commit is contained in:
Dirk Ziegelmeier 2016-02-10 20:34:44 +01:00
parent e5eba61cf0
commit 11b810721a
1 changed files with 1 additions and 3 deletions
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4
src/core/ipv4/icmp.c
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@ -81,7 +81,6 @@ icmp_input(struct pbuf *p, struct netif *inp)
#endif /* LWIP_DEBUG */
struct icmp_echo_hdr *iecho;
const struct ip_hdr *iphdr_in;
struct ip_hdr *iphdr;
s16_t hlen;
const ip4_addr_t* src;
@ -160,7 +159,6 @@ icmp_input(struct pbuf *p, struct netif *inp)
(r->len >= hlen + sizeof(struct icmp_echo_hdr)));
/* copy the ip header */
MEMCPY(r->payload, iphdr_in, hlen);
iphdr = (struct ip_hdr *)r->payload;
/* switch r->payload back to icmp header */
if (pbuf_header(r, -hlen)) {
LWIP_ASSERT("icmp_input: moving r->payload to icmp header failed\n", 0);
@ -193,7 +191,7 @@ icmp_input(struct pbuf *p, struct netif *inp)
LWIP_ASSERT("Can't move over header in packet", 0);
} else {
err_t ret;
iphdr = (struct ip_hdr*)p->payload;
struct ip_hdr *iphdr = (struct ip_hdr*)p->payload;
ip4_addr_copy(iphdr->src, *src);
ip4_addr_copy(iphdr->dest, *ip4_current_src_addr());
ICMPH_TYPE_SET(iecho, ICMP_ER);