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| author |  Miek Gieben <miek@miek.nl>
| 2016-12-20 18:58:05 +0000 |
|---|---|---|
| committer |  GitHub <noreply@github.com>
| 2016-12-20 18:58:05 +0000 |
| commit | c4ab98c6e336a1c39b3934bbb3bf691f849a6dbe (patch) | |
| tree | 89d801ac1484232179bcb7c144f67b5945221367 /middleware/backend_lookup.go | |
| parent | 451a0bd5294f6c8a6c9c725c75ac1a9cbc996a42 (diff) | |
| download | coredns-c4ab98c6e336a1c39b3934bbb3bf691f849a6dbe.tar.gz coredns-c4ab98c6e336a1c39b3934bbb3bf691f849a6dbe.tar.zst coredns-c4ab98c6e336a1c39b3934bbb3bf691f849a6dbe.zip | |
Add middleware.NextOrFailure (#462)
This checks if the next middleware to be called is nil, and if so returns
ServerFailure and an error. This makes the next calling more robust and
saves some lines of code.
Also prefix the error with the name of the middleware to aid in
debugging.
Diffstat (limited to 'middleware/backend_lookup.go')
| -rw-r--r-- | middleware/backend_lookup.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/middleware/backend_lookup.go b/middleware/backend_lookup.go index c52bb2881..b9de97d67 100644 --- a/middleware/backend_lookup.go +++ b/middleware/backend_lookup.go @@ -410,7 +410,7 @@ func BackendError(b ServiceBackend, zone string, rcode int, state request.Reques state.SizeAndDo(m) state.W.WriteMsg(m) // Return success as the rcode to signal we have written to the client. - return dns.RcodeSuccess, nil + return dns.RcodeSuccess, err } // ServicesToTxt puts debug in TXT RRs. |