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ieee802154: 6lowpan: cleanup pull of iphc bytes

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This patch cleanups the pull of the iphc bytes. We don't need to check
if the skb->len contains two bytes, this will be checked by
lowpan_fetch_skb_u8.

Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring 2015-09-02 14:21:22 +02:00 committed by Marcel Holtmann
parent 989d433dca
commit ad23d5b9da
1 changed files with 2 additions and 7 deletions
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9
net/ieee802154/6lowpan/rx.c
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@ -33,14 +33,9 @@ iphc_decompress(struct sk_buff *skb, const struct ieee802154_hdr *hdr)
void *sap, *dap;
raw_dump_table(__func__, "raw skb data dump", skb->data, skb->len);
/* at least two bytes will be used for the encoding */
if (skb->len < 2)
return -EINVAL;
if (lowpan_fetch_skb_u8(skb, &iphc0))
return -EINVAL;
if (lowpan_fetch_skb_u8(skb, &iphc1))
if (lowpan_fetch_skb_u8(skb, &iphc0) ||
lowpan_fetch_skb_u8(skb, &iphc1))
return -EINVAL;
ieee802154_addr_to_sa(&sa, &hdr->source);