X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=drivers%2Fmd%2Fdm-target.c;h=db72c9497bb4faf34ec9bfaf29c1de09f8d5a333;hb=5642b8a61a15436231adf27b2b1bd96901b623dd;hp=7decf10006e41cf9b3372544fa60eff54d195923;hpb=5b56eec77498f15317f3ff5ac9101372f400c859;p=~andy%2Flinux diff --git a/drivers/md/dm-target.c b/drivers/md/dm-target.c index 7decf10006e..db72c9497bb 100644 --- a/drivers/md/dm-target.c +++ b/drivers/md/dm-target.c @@ -18,7 +18,6 @@ struct tt_internal { struct target_type tt; struct list_head list; - long use; }; static LIST_HEAD(_targets); @@ -44,12 +43,8 @@ static struct tt_internal *get_target_type(const char *name) down_read(&_lock); ti = __find_target_type(name); - if (ti) { - if ((ti->use == 0) && !try_module_get(ti->tt.module)) - ti = NULL; - else - ti->use++; - } + if (ti && !try_module_get(ti->tt.module)) + ti = NULL; up_read(&_lock); return ti; @@ -77,10 +72,7 @@ void dm_put_target_type(struct target_type *t) struct tt_internal *ti = (struct tt_internal *) t; down_read(&_lock); - if (--ti->use == 0) - module_put(ti->tt.module); - - BUG_ON(ti->use < 0); + module_put(ti->tt.module); up_read(&_lock); return; @@ -140,12 +132,6 @@ void dm_unregister_target(struct target_type *t) BUG(); } - if (ti->use) { - DMCRIT("Attempt to unregister target still in use: %s", - t->name); - BUG(); - } - list_del(&ti->list); kfree(ti);