[patch] Make epoll_wait() handle negative timeouts as MAX_SCHEDULE_TIMEOUT...
From: Davide Libenzi
Date: Fri Sep 23 2005 - 12:35:17 EST
As reported by Vadim Lobanov, epoll_wait() did not handle correctly
timeouts <0 (only the -1 case was MAX_SCHEDULE_TIMEOUT'd).
Signed-off-by: Davide Libenzi <davidel@xxxxxxxxxxxxxxx>
- Davide
--- a/fs/eventpoll.c 2005-09-23 10:06:45.000000000 -0700
+++ b/fs/eventpoll.c 2005-09-23 10:09:35.000000000 -0700
@@ -1507,7 +1507,7 @@
* and the overflow condition. The passed timeout is in milliseconds,
* that why (t * HZ) / 1000.
*/
- jtimeout = timeout == -1 || timeout > (MAX_SCHEDULE_TIMEOUT - 1000) / HZ ?
+ jtimeout = timeout < 0 || timeout > (MAX_SCHEDULE_TIMEOUT - 1000) / HZ ?
MAX_SCHEDULE_TIMEOUT: (timeout * HZ + 999) / 1000;
retry: