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| author | David S. Miller <davem@sunset.davemloft.net> | 2007-10-26 11:41:21 +0400 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-26 11:41:21 +0400 |
| commit | c7da57a183a255f53caa73b1f688a01b097fa5bc (patch) | |
| tree | c043065fbe1229cdc348278df79b532fa1748820 | |
| parent | 0e0940d4bb9b19c0a45c844a83e1d25686aaf433 (diff) | |
| download | linux-c7da57a183a255f53caa73b1f688a01b097fa5bc.tar.xz | |
[TCP]: Fix scatterlist handling in MD5 signature support.
Use sg_init_table() and sg_mark_end() as needed.
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 5 | ||||
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 38cf73a56731..ad759f1c3777 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1055,6 +1055,9 @@ static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key, bp->pad = 0; bp->protocol = protocol; bp->len = htons(tcplen); + + sg_init_table(sg, 4); + sg_set_buf(&sg[block++], bp, sizeof(*bp)); nbytes += sizeof(*bp); @@ -1080,6 +1083,8 @@ static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key, sg_set_buf(&sg[block++], key->key, key->keylen); nbytes += key->keylen; + sg_mark_end(sg, block); + /* Now store the Hash into the packet */ err = crypto_hash_init(desc); if (err) diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 737b755342bd..32dc329762e9 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -757,6 +757,8 @@ static int tcp_v6_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key, bp->len = htonl(tcplen); bp->protocol = htonl(protocol); + sg_init_table(sg, 4); + sg_set_buf(&sg[block++], bp, sizeof(*bp)); nbytes += sizeof(*bp); @@ -778,6 +780,8 @@ static int tcp_v6_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key, sg_set_buf(&sg[block++], key->key, key->keylen); nbytes += key->keylen; + sg_mark_end(sg, block); + /* Now store the hash into the packet */ err = crypto_hash_init(desc); if (err) { |