---

yaml --- r: 9387 b: refs/heads/master c: e3306dd h: refs/heads/master i: 9385: 4be11b8 9383: ebb4344 v: v3
git-mirror · Sep 28, 2005 · c2bee98 · c2bee98
1 parent 2b72bda
commit c2bee98
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f2d613799af915da1fd78463ba8ec5086a0d6f92
+refs/heads/master: e3306dd5f7eb2e699f36a4a313fca4b48b18d5e1
diff --git a/trunk/fs/eventpoll.c b/trunk/fs/eventpoll.c
@@ -101,6 +101,10 @@
 /* Maximum number of poll wake up nests we are allowing */
 #define EP_MAX_POLLWAKE_NESTS 4
 
+/* Maximum msec timeout value storeable in a long int */
+#define EP_MAX_MSTIMEO min(1000ULL * MAX_SCHEDULE_TIMEOUT / HZ, (LONG_MAX - 999ULL) / HZ)
+
+
 struct epoll_filefd {
 	struct file *file;
 	int fd;
@@ -1506,8 +1510,8 @@ static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events,
 	 * and the overflow condition. The passed timeout is in milliseconds,
 	 * that why (t * HZ) / 1000.
 	 */
-	jtimeout = timeout == -1 || timeout > (MAX_SCHEDULE_TIMEOUT - 1000) / HZ ?
-		MAX_SCHEDULE_TIMEOUT: (timeout * HZ + 999) / 1000;
+	jtimeout = (timeout < 0 || timeout >= EP_MAX_MSTIMEO) ?
+		MAX_SCHEDULE_TIMEOUT : (timeout * HZ + 999) / 1000;
 
 retry:
 	write_lock_irqsave(&ep->lock, flags);