Fix errors found in coverity scan

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

libpod/runtime_pod_linux.go

@@ -236,7 +236,7 @@ func (r *Runtime) removePod(ctx context.Context, p *Pod, removeCtrs, force bool)
 		}
 
 		if err := r.removeContainer(ctx, ctr, force, false, true); err != nil {
-			if removalErr != nil {
+			if removalErr == nil {
 				removalErr = err
 			} else {
 				logrus.Errorf("Error removing container %s from pod %s: %v", ctr.ID(), p.ID(), err)

pkg/util/mountOpts.go

@@ -108,6 +108,7 @@ func ProcessOptions(options []string, isTmpfs bool, sourcePath string) ([]string
 			if foundZ {
 				return nil, errors.Wrapf(ErrDupeMntOption, "only one of 'z' and 'Z' can be used")
 			}
+			foundZ = true
 		default:
 			return nil, errors.Wrapf(ErrBadMntOption, "unknown mount option %q", opt)
 		}