When asked to wake up an RPC task, it makes sense to test whether or not
the task is still queued.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
net/sunrpc/sched.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index dec01bd1b71c..9a8ec012b449 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -479,6 +479,8 @@ void rpc_wake_up_queued_task_on_wq(struct workqueue_struct *wq,
struct rpc_wait_queue *queue,
struct rpc_task *task)
{
+ if (!RPC_IS_QUEUED(task))
+ return;
spin_lock_bh(&queue->lock);
rpc_wake_up_task_on_wq_queue_locked(wq, queue, task);
spin_unlock_bh(&queue->lock);
@@ -489,6 +491,8 @@ void rpc_wake_up_queued_task_on_wq(struct workqueue_struct *wq,
*/
void rpc_wake_up_queued_task(struct rpc_wait_queue *queue, struct rpc_task *task)
{
+ if (!RPC_IS_QUEUED(task))
+ return;
spin_lock_bh(&queue->lock);
rpc_wake_up_task_queue_locked(queue, task);
spin_unlock_bh(&queue->lock);
--
2.17.1
