diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/eventpoll.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 2247769eb941..1b1abc461fc0 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -762,7 +762,6 @@ static void epi_rcu_free(struct rcu_head *head) */ static int ep_remove(struct eventpoll *ep, struct epitem *epi) { - unsigned long flags; struct file *file = epi->ffd.file; /* @@ -777,10 +776,10 @@ static int ep_remove(struct eventpoll *ep, struct epitem *epi) rb_erase_cached(&epi->rbn, &ep->rbr); - spin_lock_irqsave(&ep->wq.lock, flags); + spin_lock_irq(&ep->wq.lock); if (ep_is_linked(&epi->rdllink)) list_del_init(&epi->rdllink); - spin_unlock_irqrestore(&ep->wq.lock, flags); + spin_unlock_irq(&ep->wq.lock); wakeup_source_unregister(ep_wakeup_source(epi)); /* @@ -1409,7 +1408,6 @@ static int ep_insert(struct eventpoll *ep, const struct epoll_event *event, { int error, pwake = 0; __poll_t revents; - unsigned long flags; long user_watches; struct epitem *epi; struct ep_pqueue epq; @@ -1476,7 +1474,7 @@ static int ep_insert(struct eventpoll *ep, const struct epoll_event *event, goto error_remove_epi; /* We have to drop the new item inside our item list to keep track of it */ - spin_lock_irqsave(&ep->wq.lock, flags); + spin_lock_irq(&ep->wq.lock); /* record NAPI ID of new item if present */ ep_set_busy_poll_napi_id(epi); @@ -1493,7 +1491,7 @@ static int ep_insert(struct eventpoll *ep, const struct epoll_event *event, pwake++; } - spin_unlock_irqrestore(&ep->wq.lock, flags); + spin_unlock_irq(&ep->wq.lock); atomic_long_inc(&ep->user->epoll_watches); @@ -1519,10 +1517,10 @@ error_unregister: * list, since that is used/cleaned only inside a section bound by "mtx". * And ep_insert() is called with "mtx" held. */ - spin_lock_irqsave(&ep->wq.lock, flags); + spin_lock_irq(&ep->wq.lock); if (ep_is_linked(&epi->rdllink)) list_del_init(&epi->rdllink); - spin_unlock_irqrestore(&ep->wq.lock, flags); + spin_unlock_irq(&ep->wq.lock); wakeup_source_unregister(ep_wakeup_source(epi)); |