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

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [ATM]: fix broken uses of NIPQUAD in net/atm
  [SCTP]: sctp_unpack_cookie() fix
  [SCTP]: Fix unintentional change to SCTP_ASSERT when !SCTP_DEBUG
  [NET]: Prevent multiple qdisc runs
  [CONNECTOR]: Initialize subsystem earlier.
  [NETFILTER]: xt_sctp: fix endless loop caused by 0 chunk length
This commit is contained in:
Linus Torvalds 2006-06-20 17:39:53 -07:00
parent be883da759 ff7512e1a2
commit a4cfae13ce
9 changed files with 34 additions and 32 deletions
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14
drivers/connector/connector.c
View File

@ -308,6 +308,9 @@ int cn_add_callback(struct cb_id *id, char *name, void (*callback)(void *))
int err; int err;
struct cn_dev *dev = &cdev; struct cn_dev *dev = &cdev;
if (!cn_already_initialized)
return -EAGAIN;
err = cn_queue_add_callback(dev->cbdev, name, id, callback); err = cn_queue_add_callback(dev->cbdev, name, id, callback);
if (err) if (err)
return err; return err;
@ -435,7 +438,7 @@ static void cn_callback(void *data)
mutex_unlock(&notify_lock); mutex_unlock(&notify_lock);
} }
static int __init cn_init(void) static int __devinit cn_init(void)
{ {
struct cn_dev *dev = &cdev; struct cn_dev *dev = &cdev;
int err; int err;
@ -456,21 +459,22 @@ static int __init cn_init(void)
sock_release(dev->nls->sk_socket); sock_release(dev->nls->sk_socket);
return -EINVAL; return -EINVAL;
} }
cn_already_initialized = 1;
err = cn_add_callback(&dev->id, "connector", &cn_callback); err = cn_add_callback(&dev->id, "connector", &cn_callback);
if (err) { if (err) {
cn_already_initialized = 0;
cn_queue_free_dev(dev->cbdev); cn_queue_free_dev(dev->cbdev);
if (dev->nls->sk_socket) if (dev->nls->sk_socket)
sock_release(dev->nls->sk_socket); sock_release(dev->nls->sk_socket);
return -EINVAL; return -EINVAL;
} }
cn_already_initialized = 1;
return 0; return 0;
} }
static void __exit cn_fini(void) static void __devexit cn_fini(void)
{ {
struct cn_dev *dev = &cdev; struct cn_dev *dev = &cdev;
@ -482,7 +486,7 @@ static void __exit cn_fini(void)
sock_release(dev->nls->sk_socket); sock_release(dev->nls->sk_socket);
} }
module_init(cn_init); subsys_initcall(cn_init);
module_exit(cn_fini); module_exit(cn_fini);
EXPORT_SYMBOL_GPL(cn_add_callback); EXPORT_SYMBOL_GPL(cn_add_callback);

1
include/linux/netdevice.h
View File

@ -232,6 +232,7 @@ enum netdev_state_t
__LINK_STATE_RX_SCHED, __LINK_STATE_RX_SCHED,
__LINK_STATE_LINKWATCH_PENDING, __LINK_STATE_LINKWATCH_PENDING,
__LINK_STATE_DORMANT, __LINK_STATE_DORMANT,
__LINK_STATE_QDISC_RUNNING,
}; };

7
include/net/pkt_sched.h
View File

@ -218,12 +218,13 @@ extern struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r,
struct rtattr *tab); struct rtattr *tab);
extern void qdisc_put_rtab(struct qdisc_rate_table *tab); extern void qdisc_put_rtab(struct qdisc_rate_table *tab);
extern int qdisc_restart(struct net_device *dev); extern void __qdisc_run(struct net_device *dev);
static inline void qdisc_run(struct net_device *dev) static inline void qdisc_run(struct net_device *dev)
{ {
while (!netif_queue_stopped(dev) && qdisc_restart(dev) < 0) if (!netif_queue_stopped(dev) &&
/* NOTHING */; !test_and_set_bit(__LINK_STATE_QDISC_RUNNING, &dev->state))
__qdisc_run(dev);
} }
extern int tc_classify(struct sk_buff *skb, struct tcf_proto *tp, extern int tc_classify(struct sk_buff *skb, struct tcf_proto *tp,

2
include/net/sctp/sctp.h
View File

@ -254,7 +254,7 @@ extern int sctp_debug_flag;
#define SCTP_DEBUG_PRINTK_IPADDR(whatever...) #define SCTP_DEBUG_PRINTK_IPADDR(whatever...)
#define SCTP_ENABLE_DEBUG #define SCTP_ENABLE_DEBUG
#define SCTP_DISABLE_DEBUG #define SCTP_DISABLE_DEBUG
#define SCTP_ASSERT(expr, str, func) BUG_ON(!(expr)) #define SCTP_ASSERT(expr, str, func)
#endif /* SCTP_DEBUG */ #endif /* SCTP_DEBUG */

13
net/atm/mpc.c
View File

@ -229,20 +229,15 @@ int atm_mpoa_delete_qos(struct atm_mpoa_qos *entry)
/* this is buggered - we need locking for qos_head */ /* this is buggered - we need locking for qos_head */
void atm_mpoa_disp_qos(struct seq_file *m) void atm_mpoa_disp_qos(struct seq_file *m)
{ {
unsigned char *ip;
char ipaddr[16];
struct atm_mpoa_qos *qos; struct atm_mpoa_qos *qos;
qos = qos_head; qos = qos_head;
seq_printf(m, "QoS entries for shortcuts:\n"); seq_printf(m, "QoS entries for shortcuts:\n");
seq_printf(m, "IP address\n TX:max_pcr pcr min_pcr max_cdv max_sdu\n RX:max_pcr pcr min_pcr max_cdv max_sdu\n"); seq_printf(m, "IP address\n TX:max_pcr pcr min_pcr max_cdv max_sdu\n RX:max_pcr pcr min_pcr max_cdv max_sdu\n");
ipaddr[sizeof(ipaddr)-1] = '\0';
while (qos != NULL) { while (qos != NULL) {
ip = (unsigned char *)&qos->ipaddr;
sprintf(ipaddr, "%u.%u.%u.%u", NIPQUAD(ip));
seq_printf(m, "%u.%u.%u.%u\n %-7d %-7d %-7d %-7d %-7d\n %-7d %-7d %-7d %-7d %-7d\n", seq_printf(m, "%u.%u.%u.%u\n %-7d %-7d %-7d %-7d %-7d\n %-7d %-7d %-7d %-7d %-7d\n",
NIPQUAD(ipaddr), NIPQUAD(qos->ipaddr),
qos->qos.txtp.max_pcr, qos->qos.txtp.pcr, qos->qos.txtp.min_pcr, qos->qos.txtp.max_cdv, qos->qos.txtp.max_sdu, qos->qos.txtp.max_pcr, qos->qos.txtp.pcr, qos->qos.txtp.min_pcr, qos->qos.txtp.max_cdv, qos->qos.txtp.max_sdu,
qos->qos.rxtp.max_pcr, qos->qos.rxtp.pcr, qos->qos.rxtp.min_pcr, qos->qos.rxtp.max_cdv, qos->qos.rxtp.max_sdu); qos->qos.rxtp.max_pcr, qos->qos.rxtp.pcr, qos->qos.rxtp.min_pcr, qos->qos.rxtp.max_cdv, qos->qos.rxtp.max_sdu);
qos = qos->next; qos = qos->next;
@ -1083,7 +1078,6 @@ static void MPOA_trigger_rcvd(struct k_message *msg, struct mpoa_client *mpc)
static void check_qos_and_open_shortcut(struct k_message *msg, struct mpoa_client *client, in_cache_entry *entry) static void check_qos_and_open_shortcut(struct k_message *msg, struct mpoa_client *client, in_cache_entry *entry)
{ {
uint32_t dst_ip = msg->content.in_info.in_dst_ip; uint32_t dst_ip = msg->content.in_info.in_dst_ip;
unsigned char *ip __attribute__ ((unused)) = (unsigned char *)&dst_ip;
struct atm_mpoa_qos *qos = atm_mpoa_search_qos(dst_ip); struct atm_mpoa_qos *qos = atm_mpoa_search_qos(dst_ip);
eg_cache_entry *eg_entry = client->eg_ops->get_by_src_ip(dst_ip, client); eg_cache_entry *eg_entry = client->eg_ops->get_by_src_ip(dst_ip, client);
@ -1097,7 +1091,7 @@ static void check_qos_and_open_shortcut(struct k_message *msg, struct mpoa_clien
entry->shortcut = eg_entry->shortcut; entry->shortcut = eg_entry->shortcut;
} }
if(entry->shortcut){ if(entry->shortcut){
dprintk("mpoa: (%s) using egress SVC to reach %u.%u.%u.%u\n",client->dev->name, NIPQUAD(ip)); dprintk("mpoa: (%s) using egress SVC to reach %u.%u.%u.%u\n",client->dev->name, NIPQUAD(dst_ip));
client->eg_ops->put(eg_entry); client->eg_ops->put(eg_entry);
return; return;
} }
@ -1123,8 +1117,7 @@ static void MPOA_res_reply_rcvd(struct k_message *msg, struct mpoa_client *mpc)
uint32_t dst_ip = msg->content.in_info.in_dst_ip; uint32_t dst_ip = msg->content.in_info.in_dst_ip;
in_cache_entry *entry = mpc->in_ops->get(dst_ip, mpc); in_cache_entry *entry = mpc->in_ops->get(dst_ip, mpc);
ip = (unsigned char *)&dst_ip; dprintk("mpoa: (%s) MPOA_res_reply_rcvd: ip %u.%u.%u.%u\n", mpc->dev->name, NIPQUAD(dst_ip));
dprintk("mpoa: (%s) MPOA_res_reply_rcvd: ip %u.%u.%u.%u\n", mpc->dev->name, NIPQUAD(ip));
ddprintk("mpoa: (%s) MPOA_res_reply_rcvd() entry = %p", mpc->dev->name, entry); ddprintk("mpoa: (%s) MPOA_res_reply_rcvd() entry = %p", mpc->dev->name, entry);
if(entry == NULL){ if(entry == NULL){
printk("\nmpoa: (%s) ARGH, received res. reply for an entry that doesn't exist.\n", mpc->dev->name); printk("\nmpoa: (%s) ARGH, received res. reply for an entry that doesn't exist.\n", mpc->dev->name);

12
net/atm/mpoa_caches.c
View File

@ -223,7 +223,6 @@ static void in_cache_remove_entry(in_cache_entry *entry,
but an easy one... */ but an easy one... */
static void clear_count_and_expired(struct mpoa_client *client) static void clear_count_and_expired(struct mpoa_client *client)
{ {
unsigned char *ip;
in_cache_entry *entry, *next_entry; in_cache_entry *entry, *next_entry;
struct timeval now; struct timeval now;
@ -236,8 +235,7 @@ static void clear_count_and_expired(struct mpoa_client *client)
next_entry = entry->next; next_entry = entry->next;
if((now.tv_sec - entry->tv.tv_sec) if((now.tv_sec - entry->tv.tv_sec)
> entry->ctrl_info.holding_time){ > entry->ctrl_info.holding_time){
ip = (unsigned char*)&entry->ctrl_info.in_dst_ip; dprintk("mpoa: mpoa_caches.c: holding time expired, ip = %u.%u.%u.%u\n", NIPQUAD(entry->ctrl_info.in_dst_ip));
dprintk("mpoa: mpoa_caches.c: holding time expired, ip = %u.%u.%u.%u\n", NIPQUAD(ip));
client->in_ops->remove_entry(entry, client); client->in_ops->remove_entry(entry, client);
} }
entry = next_entry; entry = next_entry;
@ -455,7 +453,6 @@ static void eg_cache_remove_entry(eg_cache_entry *entry,
static eg_cache_entry *eg_cache_add_entry(struct k_message *msg, struct mpoa_client *client) static eg_cache_entry *eg_cache_add_entry(struct k_message *msg, struct mpoa_client *client)
{ {
unsigned char *ip;
eg_cache_entry *entry = kmalloc(sizeof(eg_cache_entry), GFP_KERNEL); eg_cache_entry *entry = kmalloc(sizeof(eg_cache_entry), GFP_KERNEL);
if (entry == NULL) { if (entry == NULL) {
@ -463,8 +460,7 @@ static eg_cache_entry *eg_cache_add_entry(struct k_message *msg, struct mpoa_cli
return NULL; return NULL;
} }
ip = (unsigned char *)&msg->content.eg_info.eg_dst_ip; dprintk("mpoa: mpoa_caches.c: adding an egress entry, ip = %u.%u.%u.%u, this should be our IP\n", NIPQUAD(msg->content.eg_info.eg_dst_ip));
dprintk("mpoa: mpoa_caches.c: adding an egress entry, ip = %u.%u.%u.%u, this should be our IP\n", NIPQUAD(ip));
memset(entry, 0, sizeof(eg_cache_entry)); memset(entry, 0, sizeof(eg_cache_entry));
atomic_set(&entry->use, 1); atomic_set(&entry->use, 1);
@ -481,8 +477,8 @@ static eg_cache_entry *eg_cache_add_entry(struct k_message *msg, struct mpoa_cli
do_gettimeofday(&(entry->tv)); do_gettimeofday(&(entry->tv));
entry->entry_state = EGRESS_RESOLVED; entry->entry_state = EGRESS_RESOLVED;
dprintk("mpoa: mpoa_caches.c: new_eg_cache_entry cache_id %lu\n", ntohl(entry->ctrl_info.cache_id)); dprintk("mpoa: mpoa_caches.c: new_eg_cache_entry cache_id %lu\n", ntohl(entry->ctrl_info.cache_id));
ip = (unsigned char *)&entry->ctrl_info.mps_ip; dprintk("mpoa: mpoa_caches.c: mps_ip = %u.%u.%u.%u\n",
dprintk("mpoa: mpoa_caches.c: mps_ip = %u.%u.%u.%u\n", NIPQUAD(ip)); NIPQUAD(entry->ctrl_info.mps_ip));
atomic_inc(&entry->use); atomic_inc(&entry->use);
write_unlock_irq(&client->egress_lock); write_unlock_irq(&client->egress_lock);

2
net/netfilter/xt_sctp.c
View File

@ -62,7 +62,7 @@ match_packet(const struct sk_buff *skb,
do { do {
sch = skb_header_pointer(skb, offset, sizeof(_sch), &_sch); sch = skb_header_pointer(skb, offset, sizeof(_sch), &_sch);
if (sch == NULL) { if (sch == NULL || sch->length == 0) {
duprintf("Dropping invalid SCTP packet.\n"); duprintf("Dropping invalid SCTP packet.\n");
*hotdrop = 1; *hotdrop = 1;
return 0; return 0;

11
net/sched/sch_generic.c
View File

@ -90,7 +90,7 @@ void qdisc_unlock_tree(struct net_device *dev)
NOTE: Called under dev->queue_lock with locally disabled BH. NOTE: Called under dev->queue_lock with locally disabled BH.
*/ */
int qdisc_restart(struct net_device *dev) static inline int qdisc_restart(struct net_device *dev)
{ {
struct Qdisc *q = dev->qdisc; struct Qdisc *q = dev->qdisc;
struct sk_buff *skb; struct sk_buff *skb;
@ -179,6 +179,14 @@ requeue:
return q->q.qlen; return q->q.qlen;
} }
void __qdisc_run(struct net_device *dev)
{
while (qdisc_restart(dev) < 0 && !netif_queue_stopped(dev))
/* NOTHING */;
clear_bit(__LINK_STATE_QDISC_RUNNING, &dev->state);
}
static void dev_watchdog(unsigned long arg) static void dev_watchdog(unsigned long arg)
{ {
struct net_device *dev = (struct net_device *)arg; struct net_device *dev = (struct net_device *)arg;
@ -620,6 +628,5 @@ EXPORT_SYMBOL(qdisc_create_dflt);
EXPORT_SYMBOL(qdisc_alloc); EXPORT_SYMBOL(qdisc_alloc);
EXPORT_SYMBOL(qdisc_destroy); EXPORT_SYMBOL(qdisc_destroy);
EXPORT_SYMBOL(qdisc_reset); EXPORT_SYMBOL(qdisc_reset);
EXPORT_SYMBOL(qdisc_restart);
EXPORT_SYMBOL(qdisc_lock_tree); EXPORT_SYMBOL(qdisc_lock_tree);
EXPORT_SYMBOL(qdisc_unlock_tree); EXPORT_SYMBOL(qdisc_unlock_tree);

4
net/sctp/sm_make_chunk.c
View File

@ -1402,14 +1402,14 @@ struct sctp_association *sctp_unpack_cookie(
sg.length = bodysize; sg.length = bodysize;
key = (char *)ep->secret_key[ep->current_key]; key = (char *)ep->secret_key[ep->current_key];
memset(digest, 0x00, sizeof(digest)); memset(digest, 0x00, SCTP_SIGNATURE_SIZE);
sctp_crypto_hmac(sctp_sk(ep->base.sk)->hmac, key, &keylen, &sg, sctp_crypto_hmac(sctp_sk(ep->base.sk)->hmac, key, &keylen, &sg,
1, digest); 1, digest);
if (memcmp(digest, cookie->signature, SCTP_SIGNATURE_SIZE)) { if (memcmp(digest, cookie->signature, SCTP_SIGNATURE_SIZE)) {
/* Try the previous key. */ /* Try the previous key. */
key = (char *)ep->secret_key[ep->last_key]; key = (char *)ep->secret_key[ep->last_key];
memset(digest, 0x00, sizeof(digest)); memset(digest, 0x00, SCTP_SIGNATURE_SIZE);
sctp_crypto_hmac(sctp_sk(ep->base.sk)->hmac, key, &keylen, sctp_crypto_hmac(sctp_sk(ep->base.sk)->hmac, key, &keylen,
&sg, 1, digest); &sg, 1, digest);