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-rw-r--r--ipc/mqueue.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 8031464ed4ae..4e4e61111500 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -1004,12 +1004,14 @@ static inline void __pipelined_op(struct wake_q_head *wake_q,
struct mqueue_inode_info *info,
struct ext_wait_queue *this)
{
+ struct task_struct *task;
+
list_del(&this->list);
- get_task_struct(this->task);
+ task = get_task_struct(this->task);
/* see MQ_BARRIER for purpose/pairing */
smp_store_release(&this->state, STATE_READY);
- wake_q_add_safe(wake_q, this->task);
+ wake_q_add_safe(wake_q, task);
}
/* pipelined_send() - send a message directly to the task waiting in