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Kernel: Make sure network adapters have unique names

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Previously we'd just slap 0 onto the adapter's basename. This ensures
we actually end up with unique names.
This commit is contained in:
Gunnar Beutner 2021-05-21 21:46:39 +02:00 • committed by Andreas Kling
parent c6eff55439
commit eb1cecc03d
1 changed files with 7 additions and 5 deletions
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12
Kernel/Net/NetworkAdapter.cpp
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@ -220,11 +220,13 @@ void NetworkAdapter::set_ipv4_gateway(const IPv4Address& gateway)
void NetworkAdapter::set_interface_name(const StringView& basename)
{
// FIXME: Find a unique name for this interface, starting with $basename.
StringBuilder builder;
builder.append(basename);
builder.append('0');
m_name = builder.to_string();
for (int i = 0; i < NumericLimits<int>::max(); i++) {
auto name = String::formatted("{}{}", basename, i);
if (!lookup_by_name(name)) {
m_name = name;
break;
}
}
}
}