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6lowpan: remove lowpan_fetch_skb_u8

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This patch removes the lowpan_fetch_skb_u8 function for getting the iphc
bytes. Instead we using the generic which has a len parameter to tell
the amount of bytes to fetch.

Signed-off-by: Alexander Aring <[email protected]>
Acked-by: Jukka Rissanen <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>
This commit is contained in:
Alexander Aring 2015-10-13 13:42:59 +02:00 • committed by Marcel Holtmann
commit 478208e3b9
2 changed files with 16 additions and 15 deletions
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27
include/net/6lowpan.h
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@ -287,19 +287,20 @@ static inline void raw_dump_inline(const char *caller, char *msg,
const unsigned char *buf, int len) { }
#endif
static inline int lowpan_fetch_skb_u8(struct sk_buff *skb, u8 *val)
{
if (unlikely(!pskb_may_pull(skb, 1)))
return -EINVAL;
*val = skb->data[0];
skb_pull(skb, 1);
return 0;
}
static inline bool lowpan_fetch_skb(struct sk_buff *skb,
void *data, const unsigned int len)
/**
* lowpan_fetch_skb - getting inline data from 6LoWPAN header
*
* This function will pull data from sk buffer and put it into data to
* remove the 6LoWPAN inline data. This function returns true if the
* sk buffer is too small to pull the amount of data which is specified
* by len.
*
* @skb: the buffer where the inline data should be pulled from.
* @data: destination buffer for the inline data.
* @len: amount of data which should be pulled in bytes.
*/
static inline bool lowpan_fetch_skb(struct sk_buff *skb, void *data,
unsigned int len)
{
if (unlikely(!pskb_may_pull(skb, len)))
return true;