On Wed, 2023-06-14 at 14:13 +0800, baomingtong001@xxxxxxxxxx wrote: > Fix the following coccicheck warning: > > drivers/net/wireless/ath/ath9k/gpio.c:501:5-8: Unneeded variable: "len". > > Signed-off-by: Mingtong Bao <baomingtong001@xxxxxxxxxx> Same here. I'm even wondering if there are different people behind this? Also, I'm wondering what you're up to - are you all training or something? I see the same kind of patches that are the same kind of broken from a handful of different people? > --- > drivers/net/wireless/ath/ath9k/gpio.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/net/wireless/ath/ath9k/gpio.c > b/drivers/net/wireless/ath/ath9k/gpio.c > index b457e52dd365..f3d1bc02e633 100644 > --- a/drivers/net/wireless/ath/ath9k/gpio.c > +++ b/drivers/net/wireless/ath/ath9k/gpio.c > @@ -498,14 +498,13 @@ static int ath9k_dump_legacy_btcoex(struct > ath_softc *sc, u8 *buf, u32 size) > { > > struct ath_btcoex *btcoex = &sc->btcoex; > - u32 len = 0; > > ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type); > ATH_DUMP_BTCOEX("BTCoex Period (msec)", btcoex->btcoex_period); > ATH_DUMP_BTCOEX("Duty Cycle", btcoex->duty_cycle); > ATH_DUMP_BTCOEX("BT Wait time", btcoex->bt_wait_time); > > - return len; > + return 0; > This won't even build. Please try to understand the code you're modifying before you do. And no, build-testing it (and fixing it) will not result anything better. johannes