graph: cleanup tooltip alias handling
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/graph.c b/graph.c
index 0dae510..2f00dab 100644
--- a/graph.c
+++ b/graph.c
@@ -690,20 +690,15 @@
x = malloc(sizeof(*x));
memset(x, 0, sizeof(*x));
x->value = value;
- if (tooltip)
- x->tooltip = strdup(tooltip);
- else
- x->tooltip = NULL;
x->next = NULL;
- if (!i->tail) {
+ if (!i->tail)
i->values = x;
- } else {
+ else
i->tail->next = x;
- }
i->tail = x;
i->value_count++;
- if (x->tooltip) {
+ if (tooltip) {
double yval = gety(x);
double miny = yval / TOOLTIP_DELTA;
double maxy = yval * TOOLTIP_DELTA;
@@ -720,11 +715,10 @@
* should be identical, we can drop it
*/
ret = prio_tree_insert(&i->prio_tree, &x->node);
- if (ret != &x->node) {
- free(x->tooltip);
- x->tooltip = NULL;
- } else
+ if (ret == &x->node) {
+ x->tooltip = strdup(tooltip);
i->tooltip_count++;
+ }
}
if (i->parent->per_label_limit != -1 &&