ieee802154: 6lowpan: cleanup pull of iphc bytes
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>
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@ -33,14 +33,9 @@ iphc_decompress(struct sk_buff *skb, const struct ieee802154_hdr *hdr)
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void *sap, *dap;
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raw_dump_table(__func__, "raw skb data dump", skb->data, skb->len);
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/* at least two bytes will be used for the encoding */
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if (skb->len < 2)
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return -EINVAL;
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if (lowpan_fetch_skb_u8(skb, &iphc0))
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return -EINVAL;
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if (lowpan_fetch_skb_u8(skb, &iphc1))
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if (lowpan_fetch_skb_u8(skb, &iphc0) ||
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lowpan_fetch_skb_u8(skb, &iphc1))
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return -EINVAL;
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ieee802154_addr_to_sa(&sa, &hdr->source);
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