On Wed, Aug 01, 2012 at 12:08:08AM +0800, Axel Lin wrote: > 於 二，2012-07-31 於 16:41 +0100，Mark Brown 提到：
> > So the above cast probably isn't right... you shouldn't need a double > > cast here. > The issue of original warning is: ( I compile the kernel on x86_64 ) > warning: cast to pointer from integer of different size > What this patch does is: > cast best_val to uintptr_t, which is an unsigned integer large enough to > hold a void* pointer. > And then cast it to (void *). > Thus I did (void *)(uintptr_t)best_val. Perhaps we need a temporary variable here. The double cast just looks too horrible. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
