[src/riastradh-drm2]: src/sys/external/bsd/drm2/include/linux Add type-unsafe...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3756b1a5365d
branches:  riastradh-drm2
changeset: 787999:3756b1a5365d
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Jul 24 00:49:32 2013 +0000

description:
Add type-unsafe container_of to drm2's <linux/kernel.h>.

diffstat:

 sys/external/bsd/drm2/include/linux/kernel.h |  5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diffs (17 lines):

diff -r d85e408b2427 -r 3756b1a5365d sys/external/bsd/drm2/include/linux/kernel.h
--- a/sys/external/bsd/drm2/include/linux/kernel.h      Wed Jul 24 00:49:19 2013 +0000
+++ b/sys/external/bsd/drm2/include/linux/kernel.h      Wed Jul 24 00:49:32 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kernel.h,v 1.1.2.2 2013/07/24 00:49:04 riastradh Exp $ */
+/*     $NetBSD: kernel.h,v 1.1.2.3 2013/07/24 00:49:32 riastradh Exp $ */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -36,4 +36,7 @@
 
 #define        __printf        __printflike
 
+#define        container_of(PTR, TYPE, FIELD)                                  \
+       ((TYPE *)(((char *)(PTR)) - offsetof(TYPE, FIELD)))
+
 #endif  /* _LINUX_KERNEL_H_ */