contrib/plugins/hotblocks: Correctly free sorted counts list

g_list_free should be passed the head of the list.

Signed-off-by: Alex Bradbury <asb@igalia.com>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Link: https://lore.kernel.org/qemu-devel/cf5a00136738b981a12270b76572e8d502daf208.1753857212.git.asb@igalia.com
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>

contrib/plugins/hotblocks.c

@@ -73,15 +73,16 @@ static void exec_count_free(gpointer key, gpointer value, gpointer user_data)
 static void plugin_exit(qemu_plugin_id_t id, void *p)
 {
     g_autoptr(GString) report = g_string_new("collected ");
-    GList *counts, *it;
+    GList *counts, *sorted_counts, *it;
     int i;
 
     g_string_append_printf(report, "%d entries in the hash table\n",
                            g_hash_table_size(hotblocks));
     counts = g_hash_table_get_values(hotblocks);
-    it = g_list_sort_with_data(counts, cmp_exec_count, NULL);
+    sorted_counts = g_list_sort_with_data(counts, cmp_exec_count, NULL);
 
-    if (it) {
+    if (sorted_counts) {
+        it = sorted_counts;
         g_string_append_printf(report, "pc, tcount, icount, ecount\n");
 
         for (i = 0; i < limit && it->next; i++, it = it->next) {
@@ -94,7 +95,7 @@ static void plugin_exit(qemu_plugin_id_t id, void *p)
                     qemu_plugin_scoreboard_u64(rec->exec_count)));
         }
 
-        g_list_free(it);
+        g_list_free(sorted_counts);
     }
 
     qemu_plugin_outs(report->str);