2011-06-30 Ivan Maidanski <ivmai@mail.ru>

	* pthread_support.c (GC_segment_is_thread_stack): Replace '&'
	operator with '&&' one in conditional expressions.
	* specific.c (remove_specific): Dereference "entry" local variable
	only if it is non-NULL.
	* include/gc.h (GC_NEW): Refine the comment (about the returned
	value).

1 files changed, 1 insertions, 1 deletions

diff --git a/specific.c b/specific.c
index cbeb2331..98d86c31 100644
--- a/specific.c
+++ b/specific.c
@@ -82,8 +82,8 @@ void PREFIXED(remove_specific) (tsd * key) {
     }
     /* Invalidate qtid field, since qtids may be reused, and a later    */
     /* cache lookup could otherwise find this entry.                    */
-    entry -> qtid = INVALID_QTID;
     if (entry != NULL) {
+      entry -> qtid = INVALID_QTID;
       *link = entry -> next;
       /* Atomic! concurrent accesses still work.        */
       /* They must, since readers don't lock.           */