The following commit has been merged into the sched/core branch of tip: Commit-ID: 2b8ca1a907d5fffc85fb648bbace28ddf3420825 Gitweb: https://git.kernel.org/tip/2b8ca1a907d5fffc85fb648bbace28ddf3420825 Author: Oleg Nesterov <oleg@xxxxxxxxxx> AuthorDate: Mon, 10 May 2021 18:15:22 +02:00 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitterDate: Wed, 12 May 2021 11:03:54 +02:00 sched/core: Remove the pointless BUG_ON(!task) from wake_up_q() container_of() can never return NULL - so don't check for it pointlessly. [ mingo: Twiddled the changelog. ] Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> Link: https://lore.kernel.org/r/20210510161522.GA32644@xxxxxxxxxx --- kernel/sched/core.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 5226cc2..61d1d85 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -585,7 +585,6 @@ void wake_up_q(struct wake_q_head *head) struct task_struct *task; task = container_of(node, struct task_struct, wake_q); - BUG_ON(!task); /* Task can safely be re-inserted now: */ node = node->next; task->wake_q.next = NULL;
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