diff options
| author | David S. Miller <davem@davemloft.net> | 2017-05-22 23:32:48 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-22 23:32:48 -0400 |
| commit | 218b6a5b23e939caf2064549b1cb61ba22b9d0a1 (patch) | |
| tree | bdabf5439fb58905268953165779614d2aadb677 /net/ipv6 | |
| parent | 1db3a61017c627d590315347ccf302d9a6b97970 (diff) | |
| parent | fadd2ce5a3680fb265694f573cbfb8bcb7d6c9d5 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/ip6_output.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index d4a31becbd25..bf8a58a1c32d 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1466,6 +1466,11 @@ alloc_new_skb: */ alloclen += sizeof(struct frag_hdr); + copy = datalen - transhdrlen - fraggap; + if (copy < 0) { + err = -EINVAL; + goto error; + } if (transhdrlen) { skb = sock_alloc_send_skb(sk, alloclen + hh_len, @@ -1515,13 +1520,9 @@ alloc_new_skb: data += fraggap; pskb_trim_unique(skb_prev, maxfraglen); } - copy = datalen - transhdrlen - fraggap; - - if (copy < 0) { - err = -EINVAL; - kfree_skb(skb); - goto error; - } else if (copy > 0 && getfrag(from, data + transhdrlen, offset, copy, fraggap, skb) < 0) { + if (copy > 0 && + getfrag(from, data + transhdrlen, offset, + copy, fraggap, skb) < 0) { err = -EFAULT; kfree_skb(skb); goto error; |