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Diffstat (limited to 'include/net/mac802154.h')
-rw-r--r--include/net/mac802154.h15
1 files changed, 8 insertions, 7 deletions
diff --git a/include/net/mac802154.h b/include/net/mac802154.h
index da574bbdc333..6cd7a70706a9 100644
--- a/include/net/mac802154.h
+++ b/include/net/mac802154.h
@@ -16,10 +16,10 @@
#ifndef NET_MAC802154_H
#define NET_MAC802154_H
+#include <asm/unaligned.h>
#include <net/af_ieee802154.h>
#include <linux/ieee802154.h>
#include <linux/skbuff.h>
-#include <linux/unaligned/memmove.h>
#include <net/cfg802154.h>
@@ -247,13 +247,14 @@ struct ieee802154_ops {
*/
static inline __le16 ieee802154_get_fc_from_skb(const struct sk_buff *skb)
{
- /* return some invalid fc on failure */
- if (unlikely(skb->len < 2)) {
+ /* 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)) {
WARN_ON(1);
return cpu_to_le16(0);
}
- return (__force __le16)__get_unaligned_memmove16(skb_mac_header(skb));
+ return get_unaligned_le16(skb_mac_header(skb));
}
/**
@@ -263,7 +264,7 @@ static inline __le16 ieee802154_get_fc_from_skb(const struct sk_buff *skb)
*/
static inline void ieee802154_be64_to_le64(void *le64_dst, const void *be64_src)
{
- __put_unaligned_memmove64(swab64p(be64_src), le64_dst);
+ put_unaligned_le64(get_unaligned_be64(be64_src), le64_dst);
}
/**
@@ -273,7 +274,7 @@ static inline void ieee802154_be64_to_le64(void *le64_dst, const void *be64_src)
*/
static inline void ieee802154_le64_to_be64(void *be64_dst, const void *le64_src)
{
- __put_unaligned_memmove64(swab64p(le64_src), be64_dst);
+ put_unaligned_be64(get_unaligned_le64(le64_src), be64_dst);
}
/**
@@ -283,7 +284,7 @@ static inline void ieee802154_le64_to_be64(void *be64_dst, const void *le64_src)
*/
static inline void ieee802154_le16_to_be16(void *be16_dst, const void *le16_src)
{
- __put_unaligned_memmove16(swab16p(le16_src), be16_dst);
+ put_unaligned_be16(get_unaligned_le16(le16_src), be16_dst);
}
/**