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authorMasahiro Yamada <yamada.masahiro@socionext.com>2018-02-06 15:40:35 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-02-06 18:32:46 -0800
commit32b395a1334beee0435354abf0776efffd4a4541 (patch)
treef55344a7ea2b969155a4e4c4aa5e16de4865b659 /include/linux/build_bug.h
parent075db40c3b3d13a25c70e315c210bec921a198a5 (diff)
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build_bug.h: remove BUILD_BUG_ON_NULL()
This macro is only used by net/ipv6/mcast.c, but there is no reason why it must be BUILD_BUG_ON_NULL(). Replace it with BUILD_BUG_ON_ZERO(), and remove BUILD_BUG_ON_NULL() definition from <linux/build_bug.h>. Link: http://lkml.kernel.org/r/1515121833-3174-3-git-send-email-yamada.masahiro@socionext.com Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/build_bug.h')
-rw-r--r--include/linux/build_bug.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/build_bug.h b/include/linux/build_bug.h
index 3efed0d742a0..43d1fd50d433 100644
--- a/include/linux/build_bug.h
+++ b/include/linux/build_bug.h
@@ -8,7 +8,6 @@
#define __BUILD_BUG_ON_NOT_POWER_OF_2(n) (0)
#define BUILD_BUG_ON_NOT_POWER_OF_2(n) (0)
#define BUILD_BUG_ON_ZERO(e) (0)
-#define BUILD_BUG_ON_NULL(e) ((void *)0)
#define BUILD_BUG_ON_INVALID(e) (0)
#define BUILD_BUG_ON_MSG(cond, msg) (0)
#define BUILD_BUG_ON(condition) (0)
@@ -28,7 +27,6 @@
* aren't permitted).
*/
#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:(-!!(e)); }))
-#define BUILD_BUG_ON_NULL(e) ((void *)sizeof(struct { int:(-!!(e)); }))
/*
* BUILD_BUG_ON_INVALID() permits the compiler to check the validity of the