On Saturday 22 March 2014, beh...@converseincode.com wrote:
> diff --git a/include/asm-generic/cmpxchg-local.h
> b/include/asm-generic/cmpxchg-local.h
> index d8d4c89..4c41bb8 100644
> --- a/include/asm-generic/cmpxchg-local.h
> +++ b/include/asm-generic/cmpxchg-local.h
> @@ -41,6 +41,7 @@ static inline unsigned long
> __cmpxchg_local_generic(volatile void *ptr,
> break;
> default:
> wrong_size_cmpxchg(ptr);
> + prev = 0;
> }
> raw_local_irq_restore(flags);
> return prev;
How about using __unreachable() instead to annotate the fact that you won't
get here?
Arnd
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