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Commit b70c3940 authored by Matthias Kaehlcke's avatar Matthias Kaehlcke Committed by Linus Torvalds
Browse files

fs/eventpoll.c: use list_for_each_entry() instead of list_for_each() 



fs/eventpoll.c: use list_for_each_entry() instead of list_for_each()
in ep_poll_safewake()

Signed-off-by: default avatarMatthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent cfdaf9e5

fs/eventpoll.c

+2 −3
Original line number Diff line number Diff line
@@ -325,15 +325,14 @@ static void ep_poll_safewake(struct poll_safewake *psw, wait_queue_head_t *wq) 
	int wake_nests = 0;

	unsigned long flags;

	struct task_struct *this_task = current;

	struct list_head *lsthead = &psw->wake_task_list, *lnk;

	struct list_head *lsthead = &psw->wake_task_list;

	struct wake_task_node *tncur;

	struct wake_task_node tnode;



	spin_lock_irqsave(&psw->lock, flags);



	/* Try to see if the current task is already inside this wakeup call */

	list_for_each(lnk, lsthead) {

		tncur = list_entry(lnk, struct wake_task_node, llink);

	list_for_each_entry(tncur, lsthead, llink) {



		if (tncur->wq == wq ||

		    (tncur->task == this_task && ++wake_nests > EP_MAX_POLLWAKE_NESTS)) {