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authorAlexander Aring <alex.aring@gmail.com>2015-09-02 14:21:22 +0200
committerMarcel Holtmann <marcel@holtmann.org>2015-09-17 13:20:03 +0200
commitad23d5b9da399c0ecbe58e16c6603c3fcdcafdbd (patch)
tree3426a29d86696fec800e7af1072750c470cfb083 /net/ieee802154
parent989d433dca558fda85e592fc675af2a59af88858 (diff)
downloadlinux-ad23d5b9da399c0ecbe58e16c6603c3fcdcafdbd.tar.bz2
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>
Diffstat (limited to 'net/ieee802154')
-rw-r--r--net/ieee802154/6lowpan/rx.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/net/ieee802154/6lowpan/rx.c b/net/ieee802154/6lowpan/rx.c
index c529d9f2561f..4ddf69445032 100644
--- a/net/ieee802154/6lowpan/rx.c
+++ b/net/ieee802154/6lowpan/rx.c
@@ -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);