dm block manager: remove redundant unlikely annotation

unlikely has already included in IS_ERR(),
so just remove redundant unlikely annotation.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Chengguang Xu 2019-02-13 13:46:58 +08:00 committed by Mike Snitzer
parent 821b40da4d
commit 5941c621dc

View File

@ -462,7 +462,7 @@ int dm_bm_read_lock(struct dm_block_manager *bm, dm_block_t b,
int r;
p = dm_bufio_read(bm->bufio, b, (struct dm_buffer **) result);
if (unlikely(IS_ERR(p)))
if (IS_ERR(p))
return PTR_ERR(p);
aux = dm_bufio_get_aux_data(to_buffer(*result));
@ -498,7 +498,7 @@ int dm_bm_write_lock(struct dm_block_manager *bm,
return -EPERM;
p = dm_bufio_read(bm->bufio, b, (struct dm_buffer **) result);
if (unlikely(IS_ERR(p)))
if (IS_ERR(p))
return PTR_ERR(p);
aux = dm_bufio_get_aux_data(to_buffer(*result));
@ -531,7 +531,7 @@ int dm_bm_read_try_lock(struct dm_block_manager *bm,
int r;
p = dm_bufio_get(bm->bufio, b, (struct dm_buffer **) result);
if (unlikely(IS_ERR(p)))
if (IS_ERR(p))
return PTR_ERR(p);
if (unlikely(!p))
return -EWOULDBLOCK;
@ -567,7 +567,7 @@ int dm_bm_write_lock_zero(struct dm_block_manager *bm,
return -EPERM;
p = dm_bufio_new(bm->bufio, b, (struct dm_buffer **) result);
if (unlikely(IS_ERR(p)))
if (IS_ERR(p))
return PTR_ERR(p);
memset(p, 0, dm_bm_block_size(bm));