diff options
| author | Eric Dumazet <eric.dumazet@gmail.com> | 2011-10-24 01:52:35 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-10-24 01:52:35 -0400 |
| commit | ca35a0ef85e8ed6df6d5ab01fb6c3530cca0c469 (patch) | |
| tree | 3a6d0c107ec48823bb3e437f1f91d2276facb46d /include/net/tcp.h | |
| parent | 01718e36df750670d0f840932a4d166522ead6c3 (diff) | |
| download | lwn-ca35a0ef85e8ed6df6d5ab01fb6c3530cca0c469.tar.gz lwn-ca35a0ef85e8ed6df6d5ab01fb6c3530cca0c469.zip | |
tcp: md5: dont write skb head in tcp_md5_hash_header()
tcp_md5_hash_header() writes into skb header a temporary zero value,
this might confuse other users of this area.
Since tcphdr is small (20 bytes), copy it in a temporary variable and
make the change in the copy.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 3edef0bebdd1..910cc29f9e97 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1209,7 +1209,7 @@ extern void tcp_free_md5sig_pool(void); extern struct tcp_md5sig_pool *tcp_get_md5sig_pool(void); extern void tcp_put_md5sig_pool(void); -extern int tcp_md5_hash_header(struct tcp_md5sig_pool *, struct tcphdr *); +extern int tcp_md5_hash_header(struct tcp_md5sig_pool *, const struct tcphdr *); extern int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *, const struct sk_buff *, unsigned header_len); extern int tcp_md5_hash_key(struct tcp_md5sig_pool *hp, |