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chore(pmtud/icmp): do not use net.ErrClosed when inappropriate

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This commit is contained in:
Quentin McGaw
2026-02-17 21:44:30 +00:00
parent 04d7cef294
commit 183d351b58
2 changed files with 4 additions and 5 deletions
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internal/pmtud/icmp/icmp.go
+2 -3
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@@ -4,7 +4,6 @@ import (
"context"
"errors"
"fmt"
"net"
"net/netip"
"time"
@@ -26,7 +25,7 @@ func PathMTUDiscover(ctx context.Context, ip netip.Addr,
switch {
case err == nil:
return mtu, nil
case errors.Is(err, net.ErrClosed) || errors.Is(err, ErrCommunicationAdministrativelyProhibited): // blackhole
case errors.Is(err, errTimeout) || errors.Is(err, ErrCommunicationAdministrativelyProhibited): // blackhole
default:
return 0, fmt.Errorf("finding IPv4 next hop MTU: %w", err)
}
@@ -36,7 +35,7 @@ func PathMTUDiscover(ctx context.Context, ip netip.Addr,
switch {
case err == nil:
return mtu, nil
case errors.Is(err, net.ErrClosed): // blackhole
case errors.Is(err, errTimeout): // blackhole
default:
return 0, fmt.Errorf("getting IPv6 packet-too-big message: %w", err)
}