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In introducing a trivial "strstarts()" function in linux/string.h, we
hit the following error on s390:
In file included from include/linux/bitmap.h:8,
from include/linux/cpumask.h:142,
from include/linux/smp.h:12,
from /home/rusty/devel/kernel/patches/linux-2.6/arch/s390/include/asm/spinlock.h:14,
from include/linux/spinlock.h:88,
from include/linux/seqlock.h:29,
from include/linux/time.h:8,
from include/linux/stat.h:60,
from include/linux/module.h:10,
from arch/s390/lib/string.c:13:
include/linux/string.h: In function 'strstarts':
include/linux/string.h:124: error: implicit declaration of function 'strlen'
include/linux/string.h:124: warning: incompatible implicit declaration of built-in function 'strlen'
Because when including asm/string.h from arch/s390/lib/string.c we
don't declare the string ops we are about to define, and
linux/string.h barfs.
The fix is to declare them in this IN_ARCH_STRING_C case, but in
general I wonder if there's a neater fix.
Reported-by: linux-next
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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