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| author | Alexander Aring <aar@pengutronix.de> | 2016-07-06 23:32:27 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2016-07-08 13:23:12 +0200 |
| commit | aaa7088eb29a0ffe6cf8d8a443695df41e5a62f3 (patch) | |
| tree | 2150a78d7d9d057328830eb92eb864197d930d2b /include/net/mac802154.h | |
| parent | ieee802154: 6lowpan: fix intra pan id check (diff) | |
| download | linux-aaa7088eb29a0ffe6cf8d8a443695df41e5a62f3.tar.xz linux-aaa7088eb29a0ffe6cf8d8a443695df41e5a62f3.zip | |
ieee802154: fix skb get fc on big endian
This patch fixes ieee802154_get_fc_from_skb function on big endian
machines. The function get_unaligned_le16 converts the byte order to
host byte order but we want to keep the byte order like in mac header.
Signed-off-by: Alexander Aring <aar@pengutronix.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'include/net/mac802154.h')
| -rw-r--r-- | include/net/mac802154.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/net/mac802154.h b/include/net/mac802154.h index d757edd0b0b7..bb7bfecc5ab3 100644 --- a/include/net/mac802154.h +++ b/include/net/mac802154.h @@ -247,6 +247,8 @@ struct ieee802154_ops { */ static inline __le16 ieee802154_get_fc_from_skb(const struct sk_buff *skb) { + __le16 fc; + /* check if we can fc at skb_mac_header of sk buffer */ if (unlikely(!skb_mac_header_was_set(skb) || (skb_tail_pointer(skb) - skb_mac_header(skb)) < 2)) { @@ -254,7 +256,8 @@ static inline __le16 ieee802154_get_fc_from_skb(const struct sk_buff *skb) return cpu_to_le16(0); } - return get_unaligned_le16(skb_mac_header(skb)); + memcpy(&fc, skb_mac_header(skb), IEEE802154_FC_LEN); + return fc; } /** |