Merge pull request #2163 from rhatdan/coverity

Cleanup coverity scan issues

pkg/rootless/rootless_linux.c

@@ -70,10 +70,13 @@ get_cmd_line_args (pid_t pid)
       if (allocated == used)
         {
           allocated += 512;
-          buffer = realloc (buffer, allocated);
+          char *tmp = realloc (buffer, allocated);
-          if (buffer == NULL)
+          if (buffer == NULL) {
+		  free(buffer);
 		  return NULL;
 	  }
+	  buffer=tmp;
+        }
     }
   close (fd);