On 2017/7/1 上午4:43, bcache@xxxxxxxxxxxxxxxxxx wrote: > From: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > > In olden times, closure_return() used to have a hidden return built in. > We removed the hidden return but forgot to add a new return here. If > "c" were NULL we would oops on the next line, but fortunately "c" is > never NULL. Let's just remove the if statement. > > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > --- > drivers/md/bcache/super.c | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c > index 24cb9b7..243391d 100644 > --- a/drivers/md/bcache/super.c > +++ b/drivers/md/bcache/super.c > @@ -1381,9 +1381,6 @@ static void cache_set_flush(struct closure *cl) > struct btree *b; > unsigned i; > > - if (!c) > - closure_return(cl); > - > bch_cache_accounting_destroy(&c->accounting); > > kobject_put(&c->internal); > Agree, cache_set_flush() is only called from a continue_at() in __cache_set_unregister(). In this case, cl is always not NULL. Reviewed-by: Coly Li <colyli@xxxxxxx> Thanks. -- Coly Li
