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Diffstat (limited to 'drivers/md/persistent-data/dm-space-map-checker.c')
-rw-r--r--drivers/md/persistent-data/dm-space-map-checker.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/md/persistent-data/dm-space-map-checker.c b/drivers/md/persistent-data/dm-space-map-checker.c
index 50ed53bf4aa2..6d7c8329250f 100644
--- a/drivers/md/persistent-data/dm-space-map-checker.c
+++ b/drivers/md/persistent-data/dm-space-map-checker.c
@@ -343,25 +343,25 @@ struct dm_space_map *dm_sm_checker_create(struct dm_space_map *sm)
int r;
struct sm_checker *smc;
- if (!sm)
- return NULL;
+ if (IS_ERR_OR_NULL(sm))
+ return ERR_PTR(-EINVAL);
smc = kmalloc(sizeof(*smc), GFP_KERNEL);
if (!smc)
- return NULL;
+ return ERR_PTR(-ENOMEM);
memcpy(&smc->sm, &ops_, sizeof(smc->sm));
r = ca_create(&smc->old_counts, sm);
if (r) {
kfree(smc);
- return NULL;
+ return ERR_PTR(r);
}
r = ca_create(&smc->counts, sm);
if (r) {
ca_destroy(&smc->old_counts);
kfree(smc);
- return NULL;
+ return ERR_PTR(r);
}
smc->real_sm = sm;
@@ -371,7 +371,7 @@ struct dm_space_map *dm_sm_checker_create(struct dm_space_map *sm)
ca_destroy(&smc->counts);
ca_destroy(&smc->old_counts);
kfree(smc);
- return NULL;
+ return ERR_PTR(r);
}
r = ca_commit(&smc->old_counts, &smc->counts);
@@ -379,7 +379,7 @@ struct dm_space_map *dm_sm_checker_create(struct dm_space_map *sm)
ca_destroy(&smc->counts);
ca_destroy(&smc->old_counts);
kfree(smc);
- return NULL;
+ return ERR_PTR(r);
}
return &smc->sm;
@@ -391,25 +391,25 @@ struct dm_space_map *dm_sm_checker_create_fresh(struct dm_space_map *sm)
int r;
struct sm_checker *smc;
- if (!sm)
- return NULL;
+ if (IS_ERR_OR_NULL(sm))
+ return ERR_PTR(-EINVAL);
smc = kmalloc(sizeof(*smc), GFP_KERNEL);
if (!smc)
- return NULL;
+ return ERR_PTR(-ENOMEM);
memcpy(&smc->sm, &ops_, sizeof(smc->sm));
r = ca_create(&smc->old_counts, sm);
if (r) {
kfree(smc);
- return NULL;
+ return ERR_PTR(r);
}
r = ca_create(&smc->counts, sm);
if (r) {
ca_destroy(&smc->old_counts);
kfree(smc);
- return NULL;
+ return ERR_PTR(r);
}
smc->real_sm = sm;