PATCH [2/5] fs/eventpoll.c: use list_for_each_entry() instead of list_for_each()

From: Matthias Kaehlcke
Date: Sun Jul 15 2007 - 15:00:29 EST


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

Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@xxxxxxxxx>

--

diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 0b73cd4..fada1f9 100644
--- 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)) {

--
Matthias Kaehlcke
Linux Application Developer
Barcelona


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