===================================================================
@@ -1065,10 +1065,6 @@ static int snapshot_ctr(struct dm_target
origin_mode = FMODE_WRITE;
}
- origin_path = argv[0];
- argv++;
- argc--;
-
s = kmalloc(sizeof(*s), GFP_KERNEL);
if (!s) {
ti->error = "Cannot allocate snapshot context private "
@@ -1077,6 +1073,16 @@ static int snapshot_ctr(struct dm_target
goto bad;
}
+ origin_path = argv[0];
+ argv++;
+ argc--;
+
+ r = dm_get_device(ti, origin_path, origin_mode, &s->origin);
+ if (r) {
+ ti->error = "Cannot get origin device";
+ goto bad_origin;
+ }
+
cow_path = argv[0];
argv++;
argc--;
@@ -1097,12 +1103,6 @@ static int snapshot_ctr(struct dm_target
argv += args_used;
argc -= args_used;
- r = dm_get_device(ti, origin_path, origin_mode, &s->origin);
- if (r) {
- ti->error = "Cannot get origin device";
- goto bad_origin;
- }
-
s->ti = ti;
s->valid = 1;
s->active = 0;
@@ -1212,15 +1212,15 @@ bad_kcopyd:
dm_exception_table_exit(&s->complete, exception_cache);
bad_hash_tables:
- dm_put_device(ti, s->origin);
-
-bad_origin:
dm_exception_store_destroy(s->store);
bad_store:
dm_put_device(ti, s->cow);
bad_cow:
+ dm_put_device(ti, s->origin);
+
+bad_origin:
kfree(s);
bad:
@@ -1314,12 +1314,12 @@ static void snapshot_dtr(struct dm_targe
mempool_destroy(s->pending_pool);
- dm_put_device(ti, s->origin);
-
dm_exception_store_destroy(s->store);
dm_put_device(ti, s->cow);
+ dm_put_device(ti, s->origin);
+
kfree(s);
}