On Thu, Nov 5, 2015 at 4:43 PM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> Not that this *matters*, but it's a bit odd to have to cast constants
> to perfectly regular C types.
Looking around with "git grep", there's a few more of these.
- btrfs seems to like "(unsigned long)-1"
There's a few other users of that too, including more sparc uses.
- scsi/qla seems to like "(unsigned long)<hexnumber>"
- fmdrv_common.h seems to like "((unsigned long)1<<x)" for bitmaps
along with a smattering of random noise all over of "(unsigned long)
n" where 'n' is some integer.
Apparently people aren't as aware of the normal "ul" postfix syntax as
I would have expected. That said, it's a hundred-odd cases in all of
the kernel, so it's still fairly rare.
Linus
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