Jason Gunthorpe 0c66847793 overflow.h: Add arithmetic shift helper ...

Add shift_overflow() helper to assist driver authors in ensuring that
shift operations don't cause overflows or other odd conditions.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
[kees: tweaked comments and commit log, dropped unneeded assignment]
Signed-off-by: Kees Cook <keescook@chromium.org>

2018-08-08 09:47:26 -06:00

9.2 KiB

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