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authorJiri Slaby <jirislaby@gmail.com>2007-10-19 10:40:26 +0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-19 22:53:41 +0400
commit0624517d809b1cf53c977335c9bda4c216cbddee (patch)
tree5791430160f4423cab3c6085baed815e10c421f7 /include/asm-generic
parent1977f032722c27ee3730284582fd3991ad9ac81b (diff)
downloadlinux-0624517d809b1cf53c977335c9bda4c216cbddee.tar.xz
forbid asm/bitops.h direct inclusion
forbid asm/bitops.h direct inclusion Because of compile errors that may occur after bit changes if asm/bitops.h is included directly without e.g. linux/kernel.h which includes linux/bitops.h, forbid direct inclusion of asm/bitops.h. Thanks to Adrian Bunk. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/bitops.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-generic/bitops.h b/include/asm-generic/bitops.h
index e022a0f59e6b..15e6f253dda4 100644
--- a/include/asm-generic/bitops.h
+++ b/include/asm-generic/bitops.h
@@ -19,6 +19,10 @@
#ifdef __KERNEL__
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
#include <asm-generic/bitops/sched.h>
#include <asm-generic/bitops/ffs.h>
#include <asm-generic/bitops/hweight.h>