Hi David,
while reviewing the tcp_md5-related code further i came across with another
two of these casts which you probably have missed. I don't actually think
that they impose a problem by now, but as you said we should remove them.
Matthias
--- linux-2.6.23.1.orig/net/ipv4/tcp_ipv4.c 2007-10-16 17:25:05.000000000 +0200
+++ linux-2.6.23.1/net/ipv4/tcp_ipv4.c 2007-10-16 17:50:05.000000000 +0200
@@ -857,16 +857,16 @@ int tcp_v4_md5_do_add(struct sock *sk, _
u8 *newkey, u8 newkeylen)
{
/* Add Key to the list */
- struct tcp4_md5sig_key *key;
+ struct tcp_md5sig_key *key;
struct tcp_sock *tp = tcp_sk(sk);
struct tcp4_md5sig_key *keys;
- key = (struct tcp4_md5sig_key *)tcp_v4_md5_do_lookup(sk, addr);
+ key = tcp_v4_md5_do_lookup(sk, addr);
if (key) {
/* Pre-existing entry - just update that one. */
- kfree(key->base.key);
- key->base.key = newkey;
- key->base.keylen = newkeylen;
+ kfree(key->key);
+ key->key = newkey;
+ key->keylen = newkeylen;
} else {
struct tcp_md5sig_info *md5sig;
--- linux-2.6.23.1.orig/net/ipv6/tcp_ipv6.c 2007-10-16 17:47:57.000000000 +0200
+++ linux-2.6.23.1/net/ipv6/tcp_ipv6.c 2007-10-16 17:49:25.000000000 +0200
@@ -560,16 +560,16 @@ static int tcp_v6_md5_do_add(struct sock
char *newkey, u8 newkeylen)
{
/* Add key to the list */
- struct tcp6_md5sig_key *key;
+ struct tcp_md5sig_key *key;
struct tcp_sock *tp = tcp_sk(sk);
struct tcp6_md5sig_key *keys;
- key = (struct tcp6_md5sig_key*) tcp_v6_md5_do_lookup(sk, peer);
+ key = tcp_v6_md5_do_lookup(sk, peer);
if (key) {
/* modify existing entry - just update that one */
- kfree(key->base.key);
- key->base.key = newkey;
- key->base.keylen = newkeylen;
+ kfree(key->key);
+ key->key = newkey;
+ key->keylen = newkeylen;
} else {
/* reallocate new list if current one is full. */
if (!tp->md5sig_info) {
Signed-off-by: Matthias M. Dellweg <[email protected]>
-
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