linter: enable unconvert linter

Detects unneccessary type conversions and helps in keeping the code base
cleaner.

Signed-off-by: Valentin Rothberg <vrothberg@redhat.com>

11 files changed, 24 insertions, 24 deletions

diff --git a/pkg/api/handlers/compat/containers.go b/pkg/api/handlers/compat/containers.go
index 1c339730e..e3d51fadf 100644
--- a/pkg/api/handlers/compat/containers.go
+++ b/pkg/api/handlers/compat/containers.go
@@ -254,7 +254,7 @@ func KillContainer(w http.ResponseWriter, r *http.Request) {
 			utils.InternalServerError(w, err)
 			return
 		}
-		if sig == 0 || syscall.Signal(sig) == syscall.SIGKILL {
+		if sig == 0 || sig == syscall.SIGKILL {
 			opts := entities.WaitOptions{
 				Condition: []define.ContainerStatus{define.ContainerStateExited, define.ContainerStateStopped},
 				Interval:  time.Millisecond * 250,
@@ -341,8 +341,8 @@ func LibpodToContainer(l *libpod.Container, sz bool) (*handlers.Container, error
 	for idx, portMapping := range portMappings {
 		ports[idx] = types.Port{
 			IP:          portMapping.HostIP,
-			PrivatePort: uint16(portMapping.ContainerPort),
-			PublicPort:  uint16(portMapping.HostPort),
+			PrivatePort: portMapping.ContainerPort,
+			PublicPort:  portMapping.HostPort,
 			Type:        portMapping.Protocol,
 		}
 	}
diff --git a/pkg/api/handlers/compat/images_build.go b/pkg/api/handlers/compat/images_build.go
index 318688222..1a0ac6801 100644
--- a/pkg/api/handlers/compat/images_build.go
+++ b/pkg/api/handlers/compat/images_build.go
@@ -605,7 +605,7 @@ func BuildImage(w http.ResponseWriter, r *http.Request) {
 		Output:                         output,
 		OutputFormat:                   format,
 		PullPolicy:                     pullPolicy,
-		PullPushRetryDelay:             time.Duration(2 * time.Second),
+		PullPushRetryDelay:             2 * time.Second,
 		Quiet:                          query.Quiet,
 		Registry:                       registry,
 		RemoveIntermediateCtrs:         query.Rm,
diff --git a/pkg/bindings/images/build_unix.go b/pkg/bindings/images/build_unix.go
index 67a5e2998..32e2ba9af 100644
--- a/pkg/bindings/images/build_unix.go
+++ b/pkg/bindings/images/build_unix.go
@@ -11,7 +11,7 @@ import (
 func checkHardLink(fi os.FileInfo) (devino, bool) {
 	st := fi.Sys().(*syscall.Stat_t)
 	return devino{
-		Dev: uint64(st.Dev),
-		Ino: uint64(st.Ino),
+		Dev: uint64(st.Dev), // nolint: unconvert
+		Ino: st.Ino,
 	}, st.Nlink > 1
 }
diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go
index 4e9f38b95..d2fafccb1 100644
--- a/pkg/domain/infra/abi/containers.go
+++ b/pkg/domain/infra/abi/containers.go
@@ -1113,7 +1113,7 @@ func (ic *ContainerEngine) GetContainerExitCode(ctx context.Context, ctr *libpod
 			time.Sleep(250 * time.Millisecond)
 			continue
 		}
-		return int(event.ContainerExitCode)
+		return event.ContainerExitCode
 	}
 	logrus.Errorf("Could not retrieve exit code from event: %v", err)
 	return define.ExecErrorCodeNotFound
diff --git a/pkg/domain/infra/abi/parse/parse.go b/pkg/domain/infra/abi/parse/parse.go
index 3bac2ef99..66794e592 100644
--- a/pkg/domain/infra/abi/parse/parse.go
+++ b/pkg/domain/infra/abi/parse/parse.go
@@ -43,7 +43,7 @@ func VolumeOptions(opts map[string]string) ([]libpod.VolumeCreateOption, error)
 					if err != nil {
 						return nil, errors.Wrapf(err, "cannot convert inodes %s to integer", splitO[1])
 					}
-					libpodOptions = append(libpodOptions, libpod.WithVolumeInodes(uint64(inodes)))
+					libpodOptions = append(libpodOptions, libpod.WithVolumeInodes(inodes))
 					finalVal = append(finalVal, o)
 					// set option "INODES": "$size"
 					volumeOptions["INODES"] = splitO[1]
diff --git a/pkg/domain/infra/abi/system.go b/pkg/domain/infra/abi/system.go
index 17df0e3f8..10f3e70b1 100644
--- a/pkg/domain/infra/abi/system.go
+++ b/pkg/domain/infra/abi/system.go
@@ -216,9 +216,9 @@ func (ic *ContainerEngine) SystemDf(ctx context.Context, options entities.System
 			Tag:        stat.Tag,
 			ImageID:    stat.ID,
 			Created:    stat.Created,
-			Size:       int64(stat.Size),
-			SharedSize: int64(stat.SharedSize),
-			UniqueSize: int64(stat.UniqueSize),
+			Size:       stat.Size,
+			SharedSize: stat.SharedSize,
+			UniqueSize: stat.UniqueSize,
 			Containers: stat.Containers,
 		}
 		dfImages = append(dfImages, &report)
diff --git a/pkg/k8s.io/apimachinery/pkg/api/resource/amount.go b/pkg/k8s.io/apimachinery/pkg/api/resource/amount.go
index 9f76f9154..d05984dac 100644
--- a/pkg/k8s.io/apimachinery/pkg/api/resource/amount.go
+++ b/pkg/k8s.io/apimachinery/pkg/api/resource/amount.go
@@ -221,7 +221,7 @@ func (a int64Amount) AsCanonicalBytes(out []byte) (result []byte, exponent int32
 	exponent = int32(a.scale)
 
 	amount, times := removeInt64Factors(mantissa, 10)
-	exponent += int32(times)
+	exponent += times
 
 	// make sure exponent is a multiple of 3
 	var ok bool
diff --git a/pkg/k8s.io/apimachinery/pkg/api/resource/quantity.go b/pkg/k8s.io/apimachinery/pkg/api/resource/quantity.go
index 965d2ccaf..dcc5df219 100644
--- a/pkg/k8s.io/apimachinery/pkg/api/resource/quantity.go
+++ b/pkg/k8s.io/apimachinery/pkg/api/resource/quantity.go
@@ -293,7 +293,7 @@ func ParseQuantity(str string) (Quantity, error) {
 		switch {
 		case exponent >= 0 && len(denom) == 0:
 			// only handle positive binary numbers with the fast path
-			mantissa = int64(int64(mantissa) << uint64(exponent))
+			mantissa <<= uint64(exponent)
 			// 1Mi (2^20) has ~6 digits of decimal precision, so exponent*3/10 -1 is roughly the precision
 			precision = 15 - int32(len(num)) - int32(float32(exponent)*3/10) - 1
 		default:
@@ -313,7 +313,7 @@ func ParseQuantity(str string) (Quantity, error) {
 			if err != nil {
 				return Quantity{}, ErrNumeric
 			}
-			if result, ok := int64Multiply(value, int64(mantissa)); ok {
+			if result, ok := int64Multiply(value, mantissa); ok {
 				if !positive {
 					result = -result
 				}
diff --git a/pkg/specgen/generate/config_linux.go b/pkg/specgen/generate/config_linux.go
index 8f83fc09b..ed2e5408d 100644
--- a/pkg/specgen/generate/config_linux.go
+++ b/pkg/specgen/generate/config_linux.go
@@ -327,7 +327,7 @@ func deviceFromPath(path string) (*spec.LinuxDevice, error) {
 	var (
 		devType   string
 		mode      = stat.Mode
-		devNumber = uint64(stat.Rdev)
+		devNumber = uint64(stat.Rdev) // nolint: unconvert
 		m         = os.FileMode(mode)
 	)
 
diff --git a/pkg/specgen/generate/container.go b/pkg/specgen/generate/container.go
index d8008b10b..cc376125f 100644
--- a/pkg/specgen/generate/container.go
+++ b/pkg/specgen/generate/container.go
@@ -303,8 +303,8 @@ func FinishThrottleDevices(s *specgen.SpecGenerator) error {
 			if err := unix.Stat(k, &statT); err != nil {
 				return err
 			}
-			v.Major = (int64(unix.Major(uint64(statT.Rdev))))
-			v.Minor = (int64(unix.Minor(uint64(statT.Rdev))))
+			v.Major = (int64(unix.Major(uint64(statT.Rdev)))) // nolint: unconvert
+			v.Minor = (int64(unix.Minor(uint64(statT.Rdev)))) // nolint: unconvert
 			if s.ResourceLimits.BlockIO == nil {
 				s.ResourceLimits.BlockIO = new(spec.LinuxBlockIO)
 			}
@@ -317,8 +317,8 @@ func FinishThrottleDevices(s *specgen.SpecGenerator) error {
 			if err := unix.Stat(k, &statT); err != nil {
 				return err
 			}
-			v.Major = (int64(unix.Major(uint64(statT.Rdev))))
-			v.Minor = (int64(unix.Minor(uint64(statT.Rdev))))
+			v.Major = (int64(unix.Major(uint64(statT.Rdev)))) // nolint: unconvert
+			v.Minor = (int64(unix.Minor(uint64(statT.Rdev)))) // nolint: unconvert
 			s.ResourceLimits.BlockIO.ThrottleWriteBpsDevice = append(s.ResourceLimits.BlockIO.ThrottleWriteBpsDevice, v)
 		}
 	}
@@ -328,8 +328,8 @@ func FinishThrottleDevices(s *specgen.SpecGenerator) error {
 			if err := unix.Stat(k, &statT); err != nil {
 				return err
 			}
-			v.Major = (int64(unix.Major(uint64(statT.Rdev))))
-			v.Minor = (int64(unix.Minor(uint64(statT.Rdev))))
+			v.Major = (int64(unix.Major(uint64(statT.Rdev)))) // nolint: unconvert
+			v.Minor = (int64(unix.Minor(uint64(statT.Rdev)))) // nolint: unconvert
 			s.ResourceLimits.BlockIO.ThrottleReadIOPSDevice = append(s.ResourceLimits.BlockIO.ThrottleReadIOPSDevice, v)
 		}
 	}
@@ -339,8 +339,8 @@ func FinishThrottleDevices(s *specgen.SpecGenerator) error {
 			if err := unix.Stat(k, &statT); err != nil {
 				return err
 			}
-			v.Major = (int64(unix.Major(uint64(statT.Rdev))))
-			v.Minor = (int64(unix.Minor(uint64(statT.Rdev))))
+			v.Major = (int64(unix.Major(uint64(statT.Rdev)))) // nolint: unconvert
+			v.Minor = (int64(unix.Minor(uint64(statT.Rdev)))) // nolint: unconvert
 			s.ResourceLimits.BlockIO.ThrottleWriteIOPSDevice = append(s.ResourceLimits.BlockIO.ThrottleWriteIOPSDevice, v)
 		}
 	}
diff --git a/pkg/specgen/generate/oci.go b/pkg/specgen/generate/oci.go
index b77c00f50..081df0441 100644
--- a/pkg/specgen/generate/oci.go
+++ b/pkg/specgen/generate/oci.go
@@ -377,7 +377,7 @@ func SpecGenToOCI(ctx context.Context, s *specgen.SpecGenerator, rt *libpod.Runt
 		if err := unix.Stat(k, &statT); err != nil {
 			return nil, errors.Wrapf(err, "failed to inspect '%s' in --blkio-weight-device", k)
 		}
-		g.AddLinuxResourcesBlockIOWeightDevice((int64(unix.Major(uint64(statT.Rdev)))), (int64(unix.Minor(uint64(statT.Rdev)))), *v.Weight)
+		g.AddLinuxResourcesBlockIOWeightDevice((int64(unix.Major(uint64(statT.Rdev)))), (int64(unix.Minor(uint64(statT.Rdev)))), *v.Weight) // nolint: unconvert
 	}
 
 	BlockAccessToKernelFilesystems(s.Privileged, s.PidNS.IsHost(), s.Mask, s.Unmask, &g)