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/libpod/kube.go b/libpod/kube.go
index 8b75a0c44..5a5fe9d35 100644
--- a/libpod/kube.go
+++ b/libpod/kube.go
@@ -1034,7 +1034,11 @@ func generateKubeSecurityContext(c *Container) (*v1.SecurityContext, error) {
 			if err != nil {
 				return nil, errors.Wrapf(err, "failed to mount %s mountpoint", c.ID())
 			}
-			defer c.unmount(false)
+			defer func() {
+				if err := c.unmount(false); err != nil {
+					logrus.Errorf("Failed to unmount container: %v", err)
+				}
+			}()
 		}
 		logrus.Debugf("Looking in container for user: %s", c.User())