svn commit: r312412 - head/sys/fs/tmpfs

[Konstantin Belousov]

Author: kib
Date: Thu Jan 19 15:06:18 2017
New Revision: 312412
URL: https://svnweb.freebsd.org/changeset/base/312412

Log:
  Protect macro argument.
  
  Requested by:	hselasky
  Sponsored by:	The FreeBSD Foundation
  MFC after:	1 week

Modified:
  head/sys/fs/tmpfs/tmpfs.h

Modified: head/sys/fs/tmpfs/tmpfs.h
==============================================================================
--- head/sys/fs/tmpfs/tmpfs.h	Thu Jan 19 14:58:55 2017	(r312411)
+++ head/sys/fs/tmpfs/tmpfs.h	Thu Jan 19 15:06:18 2017	(r312412)
@@ -307,9 +307,9 @@ LIST_HEAD(tmpfs_node_list, tmpfs_node);
 
 #ifdef INVARIANTS
 #define TMPFS_ASSERT_LOCKED(node) do {					\
-		MPASS(node != NULL);					\
-		MPASS(node->tn_vnode != NULL);				\
-		ASSERT_VOP_LOCKED(node->tn_vnode, "tmpfs assert");	\
+		MPASS((node) != NULL);					\
+		MPASS((node)->tn_vnode != NULL);			\
+		ASSERT_VOP_LOCKED((node)->tn_vnode, "tmpfs assert");	\
 	} while (0)
 #else
 #define TMPFS_ASSERT_LOCKED(node) (void)0