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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-12 08:18:10 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-12 08:18:10 +0200 |
| commit | 069a0f32c9ca75ec7f02146711ec1f5840a68cbf (patch) | |
| tree | 0ee4fe0bdd706333192b26a0c43dda1481862bae /net/ipv6/ip6_output.c | |
| parent | aca4e68acf3a08561f2a413322cbb232edad8764 (diff) | |
| parent | 32c1431eea4881a6b17bd7c639315010aeefa452 (diff) | |
Merge 4.12-rc5 into char-misc-next
We want the char/misc driver fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv6/ip6_output.c')
| -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; |