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Diffstat (limited to 'nptl/sysdeps/pthread/pthread_cond_timedwait.c')
-rw-r--r--nptl/sysdeps/pthread/pthread_cond_timedwait.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/nptl/sysdeps/pthread/pthread_cond_timedwait.c b/nptl/sysdeps/pthread/pthread_cond_timedwait.c
index 940b51b4be..7de2b2936f 100644
--- a/nptl/sysdeps/pthread/pthread_cond_timedwait.c
+++ b/nptl/sysdeps/pthread/pthread_cond_timedwait.c
@@ -50,7 +50,7 @@ __pthread_cond_timedwait (cond, mutex, abstime)
   int result = 0;
 
   /* Catch invalid parameters.  */
-  if (abstime->tv_nsec >= 1000000000)
+  if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
     return EINVAL;
 
   /* Make sure we are along.  */