Make golangci-lint pass muster

(cherry picked from commit ec2dc45)

Author: marquiz

pkg/avx/collector.go

@@ -200,7 +200,7 @@ func NewCollector() (prometheus.Collector, error) {
 	progVer := spec.Programs["tracepoint__x86_fpu_regs_deactivated"].KernelVersion
 
 	if hostVer < progVer {
-		return nil, errors.Wrapf(err, "The host kernel version (v%s) is too old to run the AVX512 collector program. Minimum version is v%s.", kernelVersionStr(hostVer), kernelVersionStr(progVer))
+		return nil, errors.Wrapf(err, "The host kernel version (v%s) is too old to run the AVX512 collector program. Minimum version is v%s", kernelVersionStr(hostVer), kernelVersionStr(progVer))
 	}
 
 	collection, err := bpf.NewCollection(spec)

pkg/blockio/blockio_test.go

@@ -24,7 +24,7 @@ import (
 	"github.com/intel/cri-resource-manager/pkg/testutils"
 )
 
-var knownIOSchedulers map[string]bool = map[string]bool{
+var knownIOSchedulers = map[string]bool{
 	"bfq":         true,
 	"cfq":         true,
 	"deadline":    true,

pkg/log/log.go

@@ -193,17 +193,17 @@ func (l Level) String() string {
 // setLevel sets the logging severity level.
 func (log *logging) setLevel(level Level) error {
 	log.level = level
-	kThreshold := ""
+	threshold := ""
 	switch level {
 	case LevelDebug, LevelInfo:
-		kThreshold = "INFO"
+		threshold = "INFO"
 	case LevelWarn:
-		kThreshold = "WARNING"
+		threshold = "WARNING"
 	case LevelError, LevelPanic, LevelFatal:
-		kThreshold = "ERROR"
+		threshold = "ERROR"
 	}
-	if err := klogctl.Set("stderrthreshold", kThreshold); err != nil {
-		return loggerError("failed to set log level/threshold to %s: %v", kThreshold, err)
+	if err := klogctl.Set("stderrthreshold", threshold); err != nil {
+		return loggerError("failed to set log level/threshold to %s: %v", threshold, err)
 	}
 	return nil
 }