diff options
-rw-r--r-- | fs/eventpoll.c | 3 | ||||
-rw-r--r-- | include/uapi/linux/eventpoll.h | 13 |
2 files changed, 13 insertions, 3 deletions
diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 79b65c3b9e87..8b5e2584c840 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c | |||
@@ -1852,8 +1852,7 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd, | |||
1852 | goto error_tgt_fput; | 1852 | goto error_tgt_fput; |
1853 | 1853 | ||
1854 | /* Check if EPOLLWAKEUP is allowed */ | 1854 | /* Check if EPOLLWAKEUP is allowed */ |
1855 | if ((epds.events & EPOLLWAKEUP) && !capable(CAP_BLOCK_SUSPEND)) | 1855 | ep_take_care_of_epollwakeup(&epds); |
1856 | epds.events &= ~EPOLLWAKEUP; | ||
1857 | 1856 | ||
1858 | /* | 1857 | /* |
1859 | * We have to check that the file structure underneath the file descriptor | 1858 | * We have to check that the file structure underneath the file descriptor |
diff --git a/include/uapi/linux/eventpoll.h b/include/uapi/linux/eventpoll.h index 2c267bcbb85c..bc81fb2e1f0e 100644 --- a/include/uapi/linux/eventpoll.h +++ b/include/uapi/linux/eventpoll.h | |||
@@ -61,5 +61,16 @@ struct epoll_event { | |||
61 | __u64 data; | 61 | __u64 data; |
62 | } EPOLL_PACKED; | 62 | } EPOLL_PACKED; |
63 | 63 | ||
64 | 64 | #ifdef CONFIG_PM_SLEEP | |
65 | static inline void ep_take_care_of_epollwakeup(struct epoll_event *epev) | ||
66 | { | ||
67 | if ((epev->events & EPOLLWAKEUP) && !capable(CAP_BLOCK_SUSPEND)) | ||
68 | epev->events &= ~EPOLLWAKEUP; | ||
69 | } | ||
70 | #else | ||
71 | static inline void ep_take_care_of_epollwakeup(struct epoll_event *epev) | ||
72 | { | ||
73 | epev->events &= ~EPOLLWAKEUP; | ||
74 | } | ||
75 | #endif | ||
65 | #endif /* _UAPI_LINUX_EVENTPOLL_H */ | 76 | #endif /* _UAPI_LINUX_EVENTPOLL_H */ |