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Subject[PATCH] lvm: device mapper: remove unnecessary unlikely()
Date
WARN_ON() already contains an unlikely(), so it's not necessary to
wrap it into another.

Signed-off-by: Igor Stoppa <igor.stoppa@huawei.com>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Joe Thornber <ejt@redhat.com>
Cc: Alasdair Kergon <agk@redhat.com>
Cc: dm-devel@redhat.com
Cc: linux-kernel@vger.kernel.org
---
drivers/md/dm-cache-policy-smq.c | 2 +-
drivers/md/dm.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/dm-cache-policy-smq.c b/drivers/md/dm-cache-policy-smq.c
index 1b5b9ad9e492..b61aac00ff40 100644
--- a/drivers/md/dm-cache-policy-smq.c
+++ b/drivers/md/dm-cache-policy-smq.c
@@ -1200,7 +1200,7 @@ static void queue_demotion(struct smq_policy *mq)
struct policy_work work;
struct entry *e;

- if (unlikely(WARN_ON_ONCE(!mq->migrations_allowed)))
+ if (WARN_ON_ONCE(!mq->migrations_allowed))
return;

e = q_peek(&mq->clean, mq->clean.nr_levels / 2, true);
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 20f7e4ef5342..0f0f8547106d 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1653,7 +1653,7 @@ static blk_qc_t __process_bio(struct mapped_device *md,
* Defend against IO still getting in during teardown
* - as was seen for a time with nvme-fcloop
*/
- if (unlikely(WARN_ON_ONCE(!ti || !dm_target_is_valid(ti)))) {
+ if (WARN_ON_ONCE(!ti || !dm_target_is_valid(ti))) {
error = -EIO;
goto out;
}
--
2.17.1
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