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linux-sg2042
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[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>
This commit is contained in:
David S. Miller 2007-10-26 00:41:21 -07:00
parent 0e0940d4bb
commit c7da57a183
2 changed files with 9 additions and 0 deletions
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5
net/ipv4/tcp_ipv4.c
View File

@ -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)

4
net/ipv6/tcp_ipv6.c
View File

@ -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) {