minmax: sanity check constant bounds when clamping

The clamp family of functions only makes sense if hi>=lo.  If hi and lo
are compile-time constants, then raise a build error.  Doing so has
already caught buggy code.  This also introduces the infrastructure to
improve the clamping function in subsequent commits.

[[email protected]: coding-style cleanups]
[[email protected]: s@&&\@&& \@]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Jason A. Donenfeld <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Cc: Kees Cook <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions