diff options
| author |   kurt <kurt@openbsd.org> | 2008-06-20 02:58:00 +0000 |
|---|---|---|
| committer | kurt <kurt@openbsd.org> | 2008-06-20 02:58:00 +0000 |
| commit | 35e72e6bd08ecffc84101bc18c27d7129fc59900 (patch) | |
| tree | 3b5dc63fd7b857eb200b95e5c2d02c421320a810 /lib/libpthread | |
| parent | knf; Mark Lumsden (diff) | |
| download | wireguard-openbsd-35e72e6bd08ecffc84101bc18c27d7129fc59900.tar.xz wireguard-openbsd-35e72e6bd08ecffc84101bc18c27d7129fc59900.zip | |
Adjust the _SEM_CHECK_VALIDITY macro to detect NULL sem_t instead of
segfaulting.
okay marc@ todd@
Diffstat (limited to 'lib/libpthread')
| -rw-r--r-- | lib/libpthread/uthread/uthread_sem.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/libpthread/uthread/uthread_sem.c b/lib/libpthread/uthread/uthread_sem.c index 7078449aad2..925910cbda5 100644 --- a/lib/libpthread/uthread/uthread_sem.c +++ b/lib/libpthread/uthread/uthread_sem.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uthread_sem.c,v 1.2 2007/05/18 19:28:50 kurt Exp $ */ +/* $OpenBSD: uthread_sem.c,v 1.3 2008/06/20 02:58:00 kurt Exp $ */ /* * Copyright (C) 2000 Jason Evans <jasone@freebsd.org>. * All rights reserved. @@ -38,7 +38,9 @@ #include "pthread_private.h" #define _SEM_CHECK_VALIDITY(sem) \ - if ((*(sem))->magic != SEM_MAGIC) { \ + if ((sem) == NULL || \ + *(sem) == NULL || \ + (*(sem))->magic != SEM_MAGIC) { \ errno = EINVAL; \ retval = -1; \ goto RETURN; \ |