On Mon, Jun 03, 2019 at 07:07:20PM +0100, Colin Ian King wrote: > On 03/06/2019 18:49, Jakub Kicinski wrote: > > On Mon, 3 Jun 2019 18:39:16 +0100, Colin Ian King wrote: > >> On 03/06/2019 18:21, Jakub Kicinski wrote: > >>> On Mon, 3 Jun 2019 18:02:47 +0100, Colin King wrote: > >>>> From: Colin Ian King <colin.king@xxxxxxxxxxxxx> > >>>> > >>>> The variable err is assigned with the value -EINVAL that is never > >>>> read and it is re-assigned a new value later on. The assignment is > >>>> redundant and can be removed. > >>>> > >>>> Addresses-Coverity: ("Unused value") > >>>> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx> > >>>> --- > >>>> kernel/bpf/devmap.c | 2 +- > >>>> kernel/bpf/xskmap.c | 2 +- > >>>> 2 files changed, 2 insertions(+), 2 deletions(-) > >>>> > >>>> diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c > >>>> index 5ae7cce5ef16..a76cc6412fc4 100644 > >>>> --- a/kernel/bpf/devmap.c > >>>> +++ b/kernel/bpf/devmap.c > >>>> @@ -88,7 +88,7 @@ static u64 dev_map_bitmap_size(const union bpf_attr *attr) > >>>> static struct bpf_map *dev_map_alloc(union bpf_attr *attr) > >>>> { > >>>> struct bpf_dtab *dtab; > >>>> - int err = -EINVAL; > >>>> + int err; > >>>> u64 cost; > >>> > >>> Perhaps keep the variables ordered longest to shortest? > >> > >> Is that a required coding standard? > > > > For networking code, yes. Just look around the files you're changing > > and see for yourself. > > Ah, informal coding standards. Great. Won't this end up with more diff > churn? Everyone knows that netdev uses reverse Christmas tree declarations... regards, dan carpenter