From 3712c1c2ef2a0cbca633d150e568deb8f63a6f29 Mon Sep 17 00:00:00 2001 From: Yang Yingliang Date: Fri, 8 May 2020 11:52:08 +0800 Subject: ieee802154: 6lowpan: remove unnecessary comparison The type of dispatch is u8 which is always '<=' 0xff, so the dispatch <= 0xff is always true, we can remove this comparison. Reported-by: Hulk Robot Signed-off-by: Yang Yingliang Signed-off-by: Stefan Schmidt Signed-off-by: Jakub Kicinski --- net/ieee802154/6lowpan/rx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/ieee802154') diff --git a/net/ieee802154/6lowpan/rx.c b/net/ieee802154/6lowpan/rx.c index ee179380a766..b34d050c9687 100644 --- a/net/ieee802154/6lowpan/rx.c +++ b/net/ieee802154/6lowpan/rx.c @@ -240,7 +240,7 @@ static inline bool lowpan_is_reserved(u8 dispatch) return ((dispatch >= 0x44 && dispatch <= 0x4F) || (dispatch >= 0x51 && dispatch <= 0x5F) || (dispatch >= 0xc8 && dispatch <= 0xdf) || - (dispatch >= 0xe8 && dispatch <= 0xff)); + dispatch >= 0xe8); } /* lowpan_rx_h_check checks on generic 6LoWPAN requirements -- cgit v1.2.3