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net: icmpv4: Set the ICMPv4 header correctly

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The code did not check if the icmpv4 header struct is already
pointing to net_buf or not. This meant that the code did not
set the ICMPv4 options and types correctly.

Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2018-07-05 13:58:24 +03:00
parent 8c94b5353a
commit 48802024f2
1 changed files with 1 additions and 1 deletions
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2
subsys/net/ip/icmpv4.c
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@ -34,7 +34,7 @@ struct net_icmp_hdr *net_icmpv4_set_hdr(struct net_pkt *pkt,
u16_t pos;
icmp_hdr = net_pkt_icmp_data(pkt);
if (net_icmp_header_fits(pkt, icmp_hdr)) {
if (net_icmp_header_fits(pkt, icmp_hdr) && (hdr == icmp_hdr)) {
return icmp_hdr;
}