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-rw-r--r--fs/eventpoll.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index f6d25050dd7a..4f757a71f99b 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -2042,6 +2042,19 @@ SYSCALL_DEFINE1(epoll_create, int, size)
return do_epoll_create(0);
}
+#ifdef CONFIG_PM_SLEEP
+static inline void ep_take_care_of_epollwakeup(struct epoll_event *epev)
+{
+ if ((epev->events & EPOLLWAKEUP) && !capable(CAP_BLOCK_SUSPEND))
+ epev->events &= ~EPOLLWAKEUP;
+}
+#else
+static inline void ep_take_care_of_epollwakeup(struct epoll_event *epev)
+{
+ epev->events &= ~EPOLLWAKEUP;
+}
+#endif
+
static inline int epoll_mutex_lock(struct mutex *mutex, int depth,
bool nonblock)
{