Merge pull request #26124 from Luap99/nilness

fix issues found by nilness

cmd/podman/volumes/prune.go

@@ -64,9 +64,6 @@ func prune(cmd *cobra.Command, args []string) error {
 	if !force {
 		reader := bufio.NewReader(os.Stdin)
 		fmt.Println("WARNING! This will remove all volumes not used by at least one container. The following volumes will be removed:")
-		if err != nil {
-			return err
-		}
 		listOptions.Filter, err = parse.FilterArgumentsIntoFilters(filter)
 		if err != nil {
 			return err

libpod/container_internal_common.go

@@ -901,25 +901,19 @@ func (c *Container) resolveWorkDir() error {
 	if !c.config.CreateWorkingDir {
 		// No need to create it (e.g., `--workdir=/foo`), so let's make sure
 		// the path exists on the container.
-		if err != nil {
-			if os.IsNotExist(err) {
-				// If resolved Workdir path gets marked as a valid symlink,
-				// return nil cause this is valid use-case.
-				if c.isWorkDirSymlink(resolvedWorkdir) {
-					return nil
-				}
-				return fmt.Errorf("workdir %q does not exist on container %s", workdir, c.ID())
+		if errors.Is(err, os.ErrNotExist) {
+			// If resolved Workdir path gets marked as a valid symlink,
+			// return nil cause this is valid use-case.
+			if c.isWorkDirSymlink(resolvedWorkdir) {
+				return nil
 			}
-			// This might be a serious error (e.g., permission), so
-			// we need to return the full error.
-			return fmt.Errorf("detecting workdir %q on container %s: %w", workdir, c.ID(), err)
+			return fmt.Errorf("workdir %q does not exist on container %s", workdir, c.ID())
 		}
-		return nil
+		// This might be a serious error (e.g., permission), so
+		// we need to return the full error.
+		return fmt.Errorf("detecting workdir %q on container %s: %w", workdir, c.ID(), err)
 	}
 	if err := os.MkdirAll(resolvedWorkdir, 0755); err != nil {
-		if os.IsExist(err) {
-			return nil
-		}
 		return fmt.Errorf("creating container %s workdir: %w", c.ID(), err)
 	}
 
@@ -1192,7 +1186,7 @@ func (c *Container) exportCheckpoint(options ContainerCheckpointOptions) error {
 			return fmt.Errorf("exporting root file-system diff for %q: %w", c.ID(), err)
 		}
 
-		addToTarFiles, err := crutils.CRCreateRootFsDiffTar(&rootFsChanges, c.state.Mountpoint, c.bundlePath())
+		addToTarFiles, err = crutils.CRCreateRootFsDiffTar(&rootFsChanges, c.state.Mountpoint, c.bundlePath())
 		if err != nil {
 			return err
 		}

libpod/runtime_pod_common.go

@@ -90,11 +90,7 @@ func (r *Runtime) NewPod(ctx context.Context, p specgen.PodSpecGenerator, option
 			break
 		}
 	}
-	if addPodErr != nil {
-		return nil, fmt.Errorf("adding pod to state: %w", addPodErr)
-	}
-
-	return pod, nil
+	return nil, fmt.Errorf("adding pod to state: %w", addPodErr)
 }
 
 // AddInfra adds the created infra container to the pod state

pkg/domain/infra/abi/images.go

@@ -785,7 +785,7 @@ func (ir *ImageEngine) Scp(ctx context.Context, src, dst string, opts entities.I
 	if err != nil {
 		return nil, err
 	}
-	if (report.LoadReport == nil && err == nil) && (report.Source != nil && report.Dest != nil) { // we need to execute the transfer
+	if report.LoadReport == nil && (report.Source != nil && report.Dest != nil) { // we need to execute the transfer
 		transferOpts := entities.ScpTransferOptions{}
 		transferOpts.ParentFlags = report.ParentFlags
 		_, err := Transfer(ctx, *report.Source, *report.Dest, transferOpts)

pkg/machine/ocipull/source.go

@@ -35,9 +35,6 @@ func GetLocalBlob(ctx context.Context, path string) (*types.BlobInfo, error) {
 		return nil, err
 	}
 	blobs := img.LayerInfos()
-	if err != nil {
-		return nil, err
-	}
 	if len(blobs) != 1 {
 		return nil, errors.New("invalid disk image")
 	}