svn commit: r279631 - stable/10/lib/libstdthreads
Konstantin Belousov
kib at FreeBSD.org
Thu Mar 5 09:00:28 UTC 2015
Author: kib
Date: Thu Mar 5 09:00:27 2015
New Revision: 279631
URL: https://svnweb.freebsd.org/changeset/base/279631
Log:
MFC r279318:
Check that the pointer to the thread return value is not NULL before
dereferencing. NULL is allowed by C11 and must be handled.
Modified:
stable/10/lib/libstdthreads/thrd.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/lib/libstdthreads/thrd.c
==============================================================================
--- stable/10/lib/libstdthreads/thrd.c Thu Mar 5 08:53:10 2015 (r279630)
+++ stable/10/lib/libstdthreads/thrd.c Thu Mar 5 09:00:27 2015 (r279631)
@@ -108,7 +108,8 @@ thrd_join(thrd_t thr, int *res)
if (pthread_join(thr, &value_ptr) != 0)
return (thrd_error);
- *res = (intptr_t)value_ptr;
+ if (res != NULL)
+ *res = (intptr_t)value_ptr;
return (thrd_success);
}
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