Fix sigsegv if cpu_usage has not yet been populated

diff --git a/src/conky.c b/src/conky.c
index 8eab0e6..fdc5996 100644 (file)
--- a/src/conky.c
+++ b/src/conky.c
@@ -899,8 +899,10 @@ void generate_text_internal(char *p, int p_max_size,
                                                        obj->data.i, info.cpu_count);
                                        CRIT_ERR(NULL, NULL, "attempting to use more CPUs than you have!");
                                }
-                               percent_print(p, p_max_size,
+                               if (cur->cpu_usage) {
+                                   percent_print(p, p_max_size,
                                              round_to_int(cur->cpu_usage[obj->data.i] * 100.0));
+                               }
                        }
                        OBJ(cpugauge)
                                new_gauge(obj, p, p_max_size, round_to_int(cur->cpu_usage[obj->data.i] * 255.0));