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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

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* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [TCP]: Fix MD5 signature handling on big-endian.
  [NET]: Zero length write() on socket should not simply return 0.
This commit is contained in:
Linus Torvalds 2007-09-28 15:44:44 -07:00
commit 05e31754d1
4 changed files with 20 additions and 26 deletions
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6
include/net/tcp.h
View File

@ -1059,14 +1059,12 @@ struct tcp_md5sig_key {
};
struct tcp4_md5sig_key {
u8 *key;
u16 keylen;
struct tcp_md5sig_key base;
__be32 addr;
};
struct tcp6_md5sig_key {
u8 *key;
u16 keylen;
struct tcp_md5sig_key base;
#if 0
u32 scope_id; /* XXX */
#endif

19
net/ipv4/tcp_ipv4.c
View File

@ -833,8 +833,7 @@ static struct tcp_md5sig_key *
return NULL;
for (i = 0; i < tp->md5sig_info->entries4; i++) {
if (tp->md5sig_info->keys4[i].addr == addr)
return (struct tcp_md5sig_key *)
&tp->md5sig_info->keys4[i];
return &tp->md5sig_info->keys4[i].base;
}
return NULL;
}
@ -865,9 +864,9 @@ int tcp_v4_md5_do_add(struct sock *sk, __be32 addr,
key = (struct tcp4_md5sig_key *)tcp_v4_md5_do_lookup(sk, addr);
if (key) {
/* Pre-existing entry - just update that one. */
kfree(key->key);
key->key = newkey;
key->keylen = newkeylen;
kfree(key->base.key);
key->base.key = newkey;
key->base.keylen = newkeylen;
} else {
struct tcp_md5sig_info *md5sig;
@ -906,9 +905,9 @@ int tcp_v4_md5_do_add(struct sock *sk, __be32 addr,
md5sig->alloced4++;
}
md5sig->entries4++;
md5sig->keys4[md5sig->entries4 - 1].addr = addr;
md5sig->keys4[md5sig->entries4 - 1].key = newkey;
md5sig->keys4[md5sig->entries4 - 1].keylen = newkeylen;
md5sig->keys4[md5sig->entries4 - 1].addr = addr;
md5sig->keys4[md5sig->entries4 - 1].base.key = newkey;
md5sig->keys4[md5sig->entries4 - 1].base.keylen = newkeylen;
}
return 0;
}
@ -930,7 +929,7 @@ int tcp_v4_md5_do_del(struct sock *sk, __be32 addr)
for (i = 0; i < tp->md5sig_info->entries4; i++) {
if (tp->md5sig_info->keys4[i].addr == addr) {
/* Free the key */
kfree(tp->md5sig_info->keys4[i].key);
kfree(tp->md5sig_info->keys4[i].base.key);
tp->md5sig_info->entries4--;
if (tp->md5sig_info->entries4 == 0) {
@ -964,7 +963,7 @@ static void tcp_v4_clear_md5_list(struct sock *sk)
if (tp->md5sig_info->entries4) {
int i;
for (i = 0; i < tp->md5sig_info->entries4; i++)
kfree(tp->md5sig_info->keys4[i].key);
kfree(tp->md5sig_info->keys4[i].base.key);
tp->md5sig_info->entries4 = 0;
tcp_free_md5sig_pool();
}

18
net/ipv6/tcp_ipv6.c
View File

@ -539,7 +539,7 @@ static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(struct sock *sk,
for (i = 0; i < tp->md5sig_info->entries6; i++) {
if (ipv6_addr_cmp(&tp->md5sig_info->keys6[i].addr, addr) == 0)
return (struct tcp_md5sig_key *)&tp->md5sig_info->keys6[i];
return &tp->md5sig_info->keys6[i].base;
}
return NULL;
}
@ -567,9 +567,9 @@ static int tcp_v6_md5_do_add(struct sock *sk, struct in6_addr *peer,
key = (struct tcp6_md5sig_key*) tcp_v6_md5_do_lookup(sk, peer);
if (key) {
/* modify existing entry - just update that one */
kfree(key->key);
key->key = newkey;
key->keylen = newkeylen;
kfree(key->base.key);
key->base.key = newkey;
key->base.keylen = newkeylen;
} else {
/* reallocate new list if current one is full. */
if (!tp->md5sig_info) {
@ -603,8 +603,8 @@ static int tcp_v6_md5_do_add(struct sock *sk, struct in6_addr *peer,
ipv6_addr_copy(&tp->md5sig_info->keys6[tp->md5sig_info->entries6].addr,
peer);
tp->md5sig_info->keys6[tp->md5sig_info->entries6].key = newkey;
tp->md5sig_info->keys6[tp->md5sig_info->entries6].keylen = newkeylen;
tp->md5sig_info->keys6[tp->md5sig_info->entries6].base.key = newkey;
tp->md5sig_info->keys6[tp->md5sig_info->entries6].base.keylen = newkeylen;
tp->md5sig_info->entries6++;
}
@ -626,7 +626,7 @@ static int tcp_v6_md5_do_del(struct sock *sk, struct in6_addr *peer)
for (i = 0; i < tp->md5sig_info->entries6; i++) {
if (ipv6_addr_cmp(&tp->md5sig_info->keys6[i].addr, peer) == 0) {
/* Free the key */
kfree(tp->md5sig_info->keys6[i].key);
kfree(tp->md5sig_info->keys6[i].base.key);
tp->md5sig_info->entries6--;
if (tp->md5sig_info->entries6 == 0) {
@ -657,7 +657,7 @@ static void tcp_v6_clear_md5_list (struct sock *sk)
if (tp->md5sig_info->entries6) {
for (i = 0; i < tp->md5sig_info->entries6; i++)
kfree(tp->md5sig_info->keys6[i].key);
kfree(tp->md5sig_info->keys6[i].base.key);
tp->md5sig_info->entries6 = 0;
tcp_free_md5sig_pool();
}
@ -668,7 +668,7 @@ static void tcp_v6_clear_md5_list (struct sock *sk)
if (tp->md5sig_info->entries4) {
for (i = 0; i < tp->md5sig_info->entries4; i++)
kfree(tp->md5sig_info->keys4[i].key);
kfree(tp->md5sig_info->keys4[i].base.key);
tp->md5sig_info->entries4 = 0;
tcp_free_md5sig_pool();
}

3
net/socket.c
View File

@ -777,9 +777,6 @@ static ssize_t sock_aio_write(struct kiocb *iocb, const struct iovec *iov,
if (pos != 0)
return -ESPIPE;
if (iocb->ki_left == 0) /* Match SYS5 behaviour */
return 0;
x = alloc_sock_iocb(iocb, &siocb);
if (!x)
return -ENOMEM;