diff options
| -rw-r--r-- | kernel/perf_counter.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c index 1ac18daa424..f27a7e9f3c4 100644 --- a/kernel/perf_counter.c +++ b/kernel/perf_counter.c @@ -1934,7 +1934,8 @@ __perf_counter_exit_task(struct task_struct *child, } } - kfree(child_counter); + if (!child_counter->filp || !atomic_long_read(&child_counter->filp->f_count)) + kfree(child_counter); } /* |