toollib: Report errors on non-PV arguments to process_each_label.

diff --git a/tools/toollib.c b/tools/toollib.c
index 529088c1a3d378fb8f3ee03400e38ae028c8994d..9a33e55d8b4e08ef99ec53cf475a02ddef18576d 100644 (file)
--- a/tools/toollib.c
+++ b/tools/toollib.c
@@ -1821,8 +1821,12 @@ int process_each_label(struct cmd_context *cmd, int argc, char **argv, void *han
                                continue;
                        }
 
-                       if (!label_read(dev, &label, 0))
+                       if (!label_read(dev, &label, 0)) {
+                               log_error("No physical volume label read from %s",
+                                         argv[opt]);
+                               ret_max = ECMD_FAILED;
                                continue;
+                       }
 
                        ret = process_single_label(cmd, label, handle);