From: Gao Feng <gfree.wind@xxxxxxxxxxx>
Refine the end_time condition check statements to decrease the unncessary
checks and enhance the readability.
Signed-off-by: Gao Feng <gfree.wind@xxxxxxxxxxx>
---
fs/select.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/fs/select.c b/fs/select.c
index d6c652a..34257dd 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -468,13 +468,15 @@ static int do_select(int n, fd_set_bits *fds, struct timespec64 *end_time)
poll_initwait(&table);
wait = &table.pt;
- if (end_time && !end_time->tv_sec && !end_time->tv_nsec) {
- wait->_qproc = NULL;
- timed_out = 1;
- }
- if (end_time && !timed_out)
- slack = select_estimate_accuracy(end_time);
+ if (end_time) {
+ if (end_time->tv_sec || end_time->tv_nsec) {
+ slack = select_estimate_accuracy(end_time);
+ } else {
+ wait->_qproc = NULL;
+ timed_out = 1;
+ }
+ }
retval = 0;
for (;;) {
--
1.9.1
