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authorMark Brown <broonie@kernel.org>2018-01-25 18:16:26 +0000
committerMark Brown <broonie@kernel.org>2018-01-25 18:16:26 +0000
commit0b5eca67bd2d0e6f6d0ccdc316aced0cc4bf2e9f (patch)
treeb6597ffe774a67ab5b8eebd57c9a723732d3a39c /kernel/task_work.c
parent3bb0f7c31b1aedd0f85c675297031281799145d7 (diff)
parent93a00c467fe998bf5716cbc9cabc127046054782 (diff)
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Merge branches 'topic/twl4030' and 'topic/twl6040' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-twl-breakage
Diffstat (limited to 'kernel/task_work.c')
-rw-r--r--kernel/task_work.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/task_work.c b/kernel/task_work.c
index 5718b3ea202a..0fef395662a6 100644
--- a/kernel/task_work.c
+++ b/kernel/task_work.c
@@ -68,7 +68,7 @@ task_work_cancel(struct task_struct *task, task_work_func_t func)
* we raced with task_work_run(), *pprev == NULL/exited.
*/
raw_spin_lock_irqsave(&task->pi_lock, flags);
- while ((work = lockless_dereference(*pprev))) {
+ while ((work = READ_ONCE(*pprev))) {
if (work->func != func)
pprev = &work->next;
else if (cmpxchg(pprev, work, work->next) == work)