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 <[email protected]> Signed-off-by: Ingo Molnar <[email protected]> Link: https://lore.kernel.org/r/[email protected]
ashr · May 12, 2021 · 2b8ca1a · 2b8ca1a
1 parent 02dbb72
commit 2b8ca1a
Showing 1 changed file with 0 additions and 1 deletion.
diff --git 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;