| commit | f0a0cdddb14c7a32e7ca68f45fbc44aa347e959d | [log] [tgz] |
|---|---|---|
| author | Omar Sandoval <osandov@fb.com> | Fri Sep 28 09:22:50 2018 -0700 |
| committer | Jens Axboe <axboe@kernel.dk> | Fri Sep 28 10:49:39 2018 -0600 |
| tree | 7ff5182cf80287cedc531edd29c6a9c96b3f96e1 | |
| parent | e982c4d0a29b1d61fbe7716a8dcf8984936d6730 [diff] |
kyber: fix integer overflow of latency targets on 32-bit
NSEC_PER_SEC has type long, so 5 * NSEC_PER_SEC is calculated as a long.
However, 5 seconds is 5,000,000,000 nanoseconds, which overflows a
32-bit long. Make sure all of the targets are calculated as 64-bit
values.
Fixes: 6e25cb01ea20 ("kyber: implement improved heuristics")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>