diff options
| -rw-r--r-- | fs/select.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/fs/select.c b/fs/select.c index fdd8584e536..448e4400128 100644 --- a/fs/select.c +++ b/fs/select.c @@ -41,9 +41,9 @@ * better solutions.. */ -static unsigned long __estimate_accuracy(struct timespec *tv) +static long __estimate_accuracy(struct timespec *tv) { - unsigned long slack; + long slack; int divfactor = 1000; if (task_nice(current) > 0) @@ -54,10 +54,13 @@ static unsigned long __estimate_accuracy(struct timespec *tv) if (slack > 100 * NSEC_PER_MSEC) slack = 100 * NSEC_PER_MSEC; + + if (slack < 0) + slack = 0; return slack; } -static unsigned long estimate_accuracy(struct timespec *tv) +static long estimate_accuracy(struct timespec *tv) { unsigned long ret; struct timespec now; @@ -330,7 +333,7 @@ int do_select(int n, fd_set_bits *fds, struct timespec *end_time) timed_out = 1; } - if (end_time) + if (end_time && !timed_out) slack = estimate_accuracy(end_time); retval = 0; @@ -656,7 +659,7 @@ static int do_poll(unsigned int nfds, struct poll_list *list, timed_out = 1; } - if (end_time) + if (end_time && !timed_out) slack = estimate_accuracy(end_time); for (;;) { |