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| author | David Gibson <david@gibson.dropbear.id.au> | 2024-01-16 16:16:12 +1100 |
|---|---|---|
| committer | Stefano Brivio <sbrivio@redhat.com> | 2024-01-22 23:36:43 +0100 |
| commit | 24badd0acf887fdd9009e4c249bf0e68344ea49d (patch) | |
| tree | cebbf6e58890cfffa37fed36d86a69ce53991c65 /udp.h | |
| parent | 43713af50e8a343e0df1f219a29e3d2891a094d6 (diff) | |
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icmp: Use -1 to represent "missing" sockets
icmp_id_map[] contains, amongst other things, fds for "ping" sockets
associated with various ICMP echo ids. However, we only lazily open()
those sockets, so many will be missing. We currently represent that with
a 0, which isn't great, since that's technically a valid fd. Use -1
instead. This does require initializing the fields in icmp_id_map[] but
we already have an obvious place to do that.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Diffstat (limited to 'udp.h')
0 files changed, 0 insertions, 0 deletions