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authorYang Yingliang <yangyingliang@huawei.com>2020-05-08 06:52:08 +0300
committerJakub Kicinski <kuba@kernel.org>2020-05-09 08:25:10 +0300
commit3712c1c2ef2a0cbca633d150e568deb8f63a6f29 (patch)
tree1d7301a29a788a1f0d0a508afcb5236e8650fd2b /net/ieee802154
parentcf86a086a18095e33e0637cb78cda1fcf5280852 (diff)
downloadlinux-3712c1c2ef2a0cbca633d150e568deb8f63a6f29.tar.xz
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 <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ieee802154')
-rw-r--r--net/ieee802154/6lowpan/rx.c2
1 files changed, 1 insertions, 1 deletions
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