enable errcheck linter

The errcheck linter makes sure that errors are always check and not
ignored by accident. It spotted a lot of unchecked errors, mostly in the
tests but also some real problem in the code.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go
index b56c36015..89b09bb1d 100644
--- a/pkg/domain/infra/abi/containers.go
+++ b/pkg/domain/infra/abi/containers.go
@@ -641,7 +641,11 @@ func (ic *ContainerEngine) ContainerRestore(ctx context.Context, namesOrIds []st
 				}
 				restoreOptions.CheckpointImageID = img.ID()
 				mountPoint, err := img.Mount(ctx, nil, "")
-				defer img.Unmount(true)
+				defer func() {
+					if err := img.Unmount(true); err != nil {
+						logrus.Errorf("Failed to unmount image: %v", err)
+					}
+				}()
 				if err != nil {
 					return nil, err
 				}