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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: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthias Kaehlcke 2007-10-18 23:39:56 -07:00 committed by Linus Torvalds
parent cfdaf9e5f9
commit b70c394099
1 changed files with 2 additions and 3 deletions
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5
fs/eventpoll.c
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@ -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)) {