Signed-off-by: liguang <lig.f...@cn.fujitsu.com> --- kernel/task_work.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/kernel/task_work.c b/kernel/task_work.c index 0bf4258..f458b08 100644 --- a/kernel/task_work.c +++ b/kernel/task_work.c @@ -75,7 +75,8 @@ void task_work_run(void) do { next = work->next; - work->func(work); + if (unlikely(work->func)) + work->func(work); work = next; cond_resched(); } while (work); -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/