perf: Don't free perf_mmap_data until work has been done
[linux-2.6.git] / kernel / perf_event.c
index 040ee51..6b7ddba 100644 (file)
@@ -2210,6 +2210,7 @@ static void perf_mmap_data_free(struct perf_mmap_data *data)
        perf_mmap_free_page((unsigned long)data->user_page);
        for (i = 0; i < data->nr_pages; i++)
                perf_mmap_free_page((unsigned long)data->data_pages[i]);
+       kfree(data);
 }
 
 #else
@@ -2250,6 +2251,7 @@ static void perf_mmap_data_free_work(struct work_struct *work)
                perf_mmap_unmark_page(base + (i * PAGE_SIZE));
 
        vfree(base);
+       kfree(data);
 }
 
 static void perf_mmap_data_free(struct perf_mmap_data *data)
@@ -2355,7 +2357,6 @@ static void perf_mmap_data_free_rcu(struct rcu_head *rcu_head)
 
        data = container_of(rcu_head, struct perf_mmap_data, rcu_head);
        perf_mmap_data_free(data);
-       kfree(data);
 }
 
 static void perf_mmap_data_release(struct perf_event *event)