On Tue, May 05, 2020 at 10:13:54PM +0100, Malcolm Priestley wrote: > diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c > index 6724b213a723..48fe16c27d3f 100644 > --- a/drivers/staging/vt6656/rxtx.c > +++ b/drivers/staging/vt6656/rxtx.c > @@ -285,28 +285,18 @@ static __le16 vnt_get_rtscts_duration_le(struct vnt_usb_send_context *context, > u8 dur_type, u8 pkt_type, u16 rate) > { > struct vnt_private *priv = context->priv; > - u32 cts_time = 0, dur_time = 0; > + u32 dur_time = 0; > u32 frame_length = context->frame_len; > u8 need_ack = context->need_ack; > + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(context->skb); > > switch (dur_type) { > + /* fall through */ > case RTSDUR_BB: > case RTSDUR_BA: This fall through annotation shouldn't be necessary. It's not preceded by a case statement. Also you don't need /* fall through */ for empty case statements. In other words you only need it for stuff like this: case FOO: case BAR: frob(); frob(); /* fall through */ case BAZ: regards, dan carpenter