Fix some minor issues lint has been picking up

Signed-off-by: Matthew Heon <mheon@redhat.com>

Closes: #556
Approved by: baude

libpod/container.go

@@ -743,10 +743,12 @@ func (c *Container) BindMounts() (map[string]string, error) {
 // NamespacePath returns the path of one of the container's namespaces
 // If the container is not running, an error will be returned
 func (c *Container) NamespacePath(ns LinuxNS) (string, error) {
-	c.lock.Lock()
-	defer c.lock.Unlock()
-	if err := c.syncContainer(); err != nil {
-		return "", errors.Wrapf(err, "error updating container %s state", c.ID())
+	if !c.locked {
+		c.lock.Lock()
+		defer c.lock.Unlock()
+		if err := c.syncContainer(); err != nil {
+			return "", errors.Wrapf(err, "error updating container %s state", c.ID())
+		}
 	}
 
 	if c.state.State != ContainerStateRunning && c.state.State != ContainerStatePaused {

libpod/container_inspect.go

@@ -30,18 +30,18 @@ func (c *Container) getContainerInspectData(size bool, driverData *inspect.Data)
 	}
 
 	resolvPath := ""
-	if path, ok := c.state.BindMounts["/etc/resolv.conf"]; ok {
-		resolvPath = path
+	if getPath, ok := c.state.BindMounts["/etc/resolv.conf"]; ok {
+		resolvPath = getPath
 	}
 
 	hostsPath := ""
-	if path, ok := c.state.BindMounts["/etc/hosts"]; ok {
-		hostsPath = path
+	if getPath, ok := c.state.BindMounts["/etc/hosts"]; ok {
+		hostsPath = getPath
 	}
 
 	hostnamePath := ""
-	if path, ok := c.state.BindMounts["/etc/hostname"]; ok {
-		hostnamePath = path
+	if getPath, ok := c.state.BindMounts["/etc/hostname"]; ok {
+		hostnamePath = getPath
 	}
 
 	data := &inspect.ContainerInspectData{

libpod/image/image.go

@@ -143,6 +143,9 @@ func (ir *Runtime) New(name, signaturePolicyPath, authfile string, writer io.Wri
 
 	newImage.InputName = imageName
 	img, err := newImage.getLocalImage()
+	if err != nil {
+		return nil, errors.Wrapf(err, "error retrieving local image after pulling %s", name)
+	}
 	newImage.image = img
 	return &newImage, nil
 }

libpod/runtime_img.go

@@ -98,11 +98,11 @@ func (r *Runtime) RemoveImage(image *image.Image, force bool) (string, error) {
 		if force {
 			for _, ctr := range imageCtrs {
 				if err := r.removeContainer(ctr, true); err != nil {
-					return "", errors.Wrapf(err, "error removing image %s: container %s using image could not be removed", image.ID, ctr.ID())
+					return "", errors.Wrapf(err, "error removing image %s: container %s using image could not be removed", image.ID(), ctr.ID())
 				}
 			}
 		} else {
-			return "", fmt.Errorf("could not remove image %s as it is being used by %d containers", image.ID, len(imageCtrs))
+			return "", fmt.Errorf("could not remove image %s as it is being used by %d containers", image.ID(), len(imageCtrs))
 		}
 	}