max_depth used to be a u64, but I changed it to a unsigned int but didn't convert my comparisons over everywhere. Fix by comparing to INT_MAX instead of (u64)-1. Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx> --- block/blk-iolatency.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c index a35a1f580337..5aabcb746f01 100644 --- a/block/blk-iolatency.c +++ b/block/blk-iolatency.c @@ -434,7 +434,7 @@ static void iolatency_record_time(struct iolatency_grp *iolat, * We don't want to count issue_as_root bio's in the cgroups latency * statistics as it could skew the numbers downwards. */ - if (unlikely(issue_as_root && iolat->rq_depth.max_depth != (u64)-1)) { + if (unlikely(issue_as_root && iolat->rq_depth.max_depth != INT_MAX)) { u64 sub = iolat->min_lat_nsec; if (req_time < sub) blkcg_add_delay(lat_to_blkg(iolat), now, sub - req_time); @@ -817,7 +817,7 @@ static size_t iolatency_pd_stat(struct blkg_policy_data *pd, char *buf, struct iolatency_grp *iolat = pd_to_lat(pd); unsigned long long avg_lat = div64_u64(iolat->total_lat_avg, NSEC_PER_USEC); - if (iolat->rq_depth.max_depth == (u64)-1) + if (iolat->rq_depth.max_depth == INT_MAX) return scnprintf(buf, size, " depth=max avg_lat=%llu", avg_lat); -- 2.14.3