fix linter staticcheck -ST1022 (zalando#1642)

Signed-off-by: Sandor Szücs <[email protected]>

Makefile

@@ -139,7 +139,7 @@ vet: $(SOURCES)
 # -ST1021 too many wrong comments on exported functions to fix right away
 # -ST1022 too many wrong comments on exported functions to fix right away
 staticcheck: $(SOURCES)
-	GO111MODULE=$(GO111) .bin/staticcheck -checks "all,-ST1000,-ST1003,-ST1012,-ST1020,-ST1021,-ST1022" $(PACKAGES)
+	GO111MODULE=$(GO111) .bin/staticcheck -checks "all,-ST1000,-ST1003,-ST1012,-ST1020,-ST1021" $(PACKAGES)
 
 # TODO(sszuecs) review disabling these checks, f.e.:
 # G101 find by variable name match "oauth" are not hardcoded credentials

filters/filters.go

@@ -157,7 +157,7 @@ type Spec interface {
 // Registry used to lookup Spec objects while initializing routes.
 type Registry map[string]Spec
 
-// Error used in case of invalid filter parameters.
+// ErrInvalidFilterParameters is used in case of invalid filter parameters.
 var ErrInvalidFilterParameters = errors.New("invalid filter parameters")
 
 // Registers a filter specification.

predicates/cookie/cookie.go

@@ -11,7 +11,7 @@ import (
 	"github.com/zalando/skipper/routing"
 )
 
-// The predicate can be referenced in eskip by the name "Cookie".
+// Name the predicate can be referenced in eskip by the name "Cookie".
 const Name = "Cookie"
 
 type (

predicates/predicates.go

@@ -2,5 +2,5 @@ package predicates
 
 import "errors"
 
-// Error used in case of invalid predicate parameters.
+// ErrInvalidPredicateParameters is used in case of invalid predicate parameters.
 var ErrInvalidPredicateParameters = errors.New("invalid predicate parameters")