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>

diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index de61892..34f68f3 100644 (file)
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -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)) {