Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / block / ioprio.c

diff --git a/kernel/block/ioprio.c b/kernel/block/ioprio.c
index cc7800e..01b8116 100644 (file)
--- a/kernel/block/ioprio.c
+++ b/kernel/block/ioprio.c
@@ -150,8 +150,10 @@ static int get_task_ioprio(struct task_struct *p)
        if (ret)
                goto out;
        ret = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_NONE, IOPRIO_NORM);
+       task_lock(p);
        if (p->io_context)
                ret = p->io_context->ioprio;
+       task_unlock(p);
 out:
        return ret;
 }