diff options
author | Greg Kroah-Hartman <gregkh@suse.de> | 2011-02-24 11:36:31 -0800 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-02-24 11:36:31 -0800 |
commit | f227e08b71b9c273eaa29a57370a3a5b833aa382 (patch) | |
tree | 9f1483776a2bde3bb1a6bd744e69acf19f6f3428 /fs/eventpoll.c | |
parent | fec38d1752c01ad72789bac9f1a128f7e933735d (diff) | |
parent | f5412be599602124d2bdd49947b231dd77c0bf99 (diff) |
Merge 2.6.38-rc6 into tty-next
This was to resolve a merge issue with drivers/char/Makefile and
drivers/tty/serial/68328serial.c
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/eventpoll.c')
-rw-r--r-- | fs/eventpoll.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/fs/eventpoll.c b/fs/eventpoll.c index cc8a9b7d606..267d0ada454 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1114,6 +1114,17 @@ static int ep_send_events(struct eventpoll *ep, return ep_scan_ready_list(ep, ep_send_events_proc, &esed); } +static inline struct timespec ep_set_mstimeout(long ms) +{ + struct timespec now, ts = { + .tv_sec = ms / MSEC_PER_SEC, + .tv_nsec = NSEC_PER_MSEC * (ms % MSEC_PER_SEC), + }; + + ktime_get_ts(&now); + return timespec_add_safe(now, ts); +} + static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events, int maxevents, long timeout) { @@ -1121,12 +1132,11 @@ static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events, unsigned long flags; long slack; wait_queue_t wait; - struct timespec end_time; ktime_t expires, *to = NULL; if (timeout > 0) { - ktime_get_ts(&end_time); - timespec_add_ns(&end_time, (u64)timeout * NSEC_PER_MSEC); + struct timespec end_time = ep_set_mstimeout(timeout); + slack = select_estimate_accuracy(&end_time); to = &expires; *to = timespec_to_ktime(end_time); |