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net/dns/resolver: remove unused err return value.

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Signed-off-by: David Anderson <danderson@tailscale.com>
This commit is contained in:
David Anderson
2021-04-02 19:42:05 -07:00
committed by Dave Anderson
parent 6a206fd0fb
commit 1bf91c8123
3 changed files with 12 additions and 39 deletions
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4
net/dns/resolver/tsdns.go
View File

@@ -98,7 +98,7 @@ type Resolver struct {
// New returns a new resolver.
// linkMon optionally specifies a link monitor to use for socket rebinding.
func New(logf logger.Logf, linkMon *monitor.Mon) (*Resolver, error) {
func New(logf logger.Logf, linkMon *monitor.Mon) *Resolver {
r := &Resolver{
logf: logger.WithPrefix(logf, "dns: "),
linkMon: linkMon,
@@ -117,7 +117,7 @@ func New(logf logger.Logf, linkMon *monitor.Mon) (*Resolver, error) {
r.wg.Add(1)
go r.poll()
return r, nil
return r
}
func isFQDN(s string) bool {

40
net/dns/resolver/tsdns_test.go
View File

@@ -187,10 +187,7 @@ func TestRDNSNameToIPv6(t *testing.T) {
}
func TestResolveLocal(t *testing.T) {
r, err := New(t.Logf, nil)
if err != nil {
t.Fatalf("start: %v", err)
}
r := New(t.Logf, nil)
defer r.Close()
r.SetConfig(dnsCfg)
@@ -230,10 +227,7 @@ func TestResolveLocal(t *testing.T) {
}
func TestResolveLocalReverse(t *testing.T) {
r, err := New(t.Logf, nil)
if err != nil {
t.Fatalf("start: %v", err)
}
r := New(t.Logf, nil)
defer r.Close()
r.SetConfig(dnsCfg)
@@ -287,10 +281,7 @@ func TestDelegate(t *testing.T) {
"nxdomain.site.", resolveToNXDOMAIN)
defer v6server.Shutdown()
r, err := New(t.Logf, nil)
if err != nil {
t.Fatalf("start: %v", err)
}
r := New(t.Logf, nil)
defer r.Close()
cfg := dnsCfg
@@ -365,10 +356,7 @@ func TestDelegateSplitRoute(t *testing.T) {
"test.other.", resolveToIP(test4, test6, "dns.other."))
defer server2.Shutdown()
r, err := New(t.Logf, nil)
if err != nil {
t.Fatalf("start: %v", err)
}
r := New(t.Logf, nil)
defer r.Close()
cfg := dnsCfg
@@ -425,10 +413,7 @@ func TestDelegateCollision(t *testing.T) {
"test.site.", resolveToIP(testipv4, testipv6, "dns.test.site."))
defer server.Shutdown()
r, err := New(t.Logf, nil)
if err != nil {
t.Fatalf("start: %v", err)
}
r := New(t.Logf, nil)
defer r.Close()
cfg := dnsCfg
@@ -642,10 +627,7 @@ var emptyResponse = []byte{
}
func TestFull(t *testing.T) {
r, err := New(t.Logf, nil)
if err != nil {
t.Fatalf("start: %v", err)
}
r := New(t.Logf, nil)
defer r.Close()
r.SetConfig(dnsCfg)
@@ -681,10 +663,7 @@ func TestFull(t *testing.T) {
}
func TestAllocs(t *testing.T) {
r, err := New(t.Logf, nil)
if err != nil {
t.Fatalf("start: %v", err)
}
r := New(t.Logf, nil)
defer r.Close()
r.SetConfig(dnsCfg)
@@ -739,10 +718,7 @@ func BenchmarkFull(b *testing.B) {
"test.site.", resolveToIP(testipv4, testipv6, "dns.test.site."))
defer server.Shutdown()
r, err := New(b.Logf, nil)
if err != nil {
b.Fatalf("start: %v", err)
}
r := New(b.Logf, nil)
defer r.Close()
cfg := dnsCfg