From: Roland McGrath <roland@hack.frob.com>
Date: Fri, 4 Jul 2014 02:17:00 +0000 (-0700)
Subject: S390: Quash unused variable warning due to no-op THREAD_SET_POINTER_GUARD.
X-Git-Tag: glibc-2.20~146
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4d614fe5e0625f197805978730214e5236ef360c;p=thirdparty%2Fglibc.git

S390: Quash unused variable warning due to no-op THREAD_SET_POINTER_GUARD.
---

diff --git a/ChangeLog b/ChangeLog
index 0a8688a1cee..22b8f238e2d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2014-07-03  Roland McGrath  <roland@hack.frob.com>
 
+	* sysdeps/s390/nptl/tls.h (THREAD_SET_POINTER_GUARD): Refer to the
+	value so it's not diagnosed as unused.
+
 	* sysdeps/pthread/Makefile: Conditionalize tst-timer bits (the only
 	thing) with "ifeq ($(subdir),rt)".
 
diff --git a/sysdeps/s390/nptl/tls.h b/sysdeps/s390/nptl/tls.h
index 1c74efa847d..bc0db4a1f98 100644
--- a/sysdeps/s390/nptl/tls.h
+++ b/sysdeps/s390/nptl/tls.h
@@ -173,7 +173,7 @@ typedef struct
    use stack_guard as pointer_guard.  */
 #define THREAD_GET_POINTER_GUARD() \
   THREAD_GETMEM (THREAD_SELF, header.stack_guard)
-#define THREAD_SET_POINTER_GUARD(value)
+#define THREAD_SET_POINTER_GUARD(value)	((void) (value))
 #define THREAD_COPY_POINTER_GUARD(descr)
 
 /* Get and set the global scope generation counter in struct pthread.  */