xserver: Branch 'master'
Matthias Hopf
mhopf at kemper.freedesktop.org
Tue Nov 28 19:59:22 EET 2006
os/WaitFor.c | 16 +++++++++-------
1 files changed, 9 insertions(+), 7 deletions(-)
New commits:
diff-tree 834e4b079866594b50be64ae79f3cb2a5baa2070 (from 5dbcd34a0a6c0d10dbfea8fdc9d7dfe7a0261b19)
Author: Matthias Hopf <mhopf at suse.de>
Date: Tue Nov 28 18:57:13 2006 +0100
Fix potential NULL pointer access in timer code.
https://bugzilla.novell.com/show_bug.cgi?id=223718
diff --git a/os/WaitFor.c b/os/WaitFor.c
index 6109e34..ba227a3 100644
--- a/os/WaitFor.c
+++ b/os/WaitFor.c
@@ -205,15 +205,17 @@ WaitForSomething(int *pClientsReady)
if (timeout > 0 && timeout > timers->delta + 250) {
/* time has rewound. reset the timers. */
CheckAllTimers(now);
- timeout = timers->expires - now;
}
- if (timeout < 0)
- timeout = 0;
- waittime.tv_sec = timeout / MILLI_PER_SECOND;
- waittime.tv_usec = (timeout % MILLI_PER_SECOND) *
- (1000000 / MILLI_PER_SECOND);
- wt = &waittime;
+ if (timers) {
+ timeout = timers->expires - now;
+ if (timeout < 0)
+ timeout = 0;
+ waittime.tv_sec = timeout / MILLI_PER_SECOND;
+ waittime.tv_usec = (timeout % MILLI_PER_SECOND) *
+ (1000000 / MILLI_PER_SECOND);
+ wt = &waittime;
+ }
}
XFD_COPYSET(&AllSockets, &LastSelectMask);
#ifdef SMART_SCHEDULE
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