log: fix bad < 0 check for unsigned
authorJens Axboe <axboe@kernel.dk>
Fri, 29 Dec 2017 15:45:22 +0000 (08:45 -0700)
committerJens Axboe <axboe@kernel.dk>
Fri, 29 Dec 2017 15:45:22 +0000 (08:45 -0700)
commitdf4bf1178ed773986129da6038961388af926971
tree7544b7aec11e86e7749621c35efdc7ebdf768416
parente5f9a813ea5ea001c5612bccb587ebd960b36212
log: fix bad < 0 check for unsigned

Fixes: e5f9a813 ("debug: make debug=io readable with multiple threads")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
log.c