redonkable
/
remarkable-linux
1
0
Fork 0
Code Releases Activity

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

wifi-calibration
Linus Torvalds 2005-09-29 08:56:47 -07:00
parent 6dec3cf5cd 01d40f28b1
commit eb693d2994
20 changed files with 9954 additions and 152 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/Kconfig
View File

@ -548,6 +548,14 @@ config SUNGEM
Support for the Sun GEM chip, aka Sun GigabitEthernet/P 2.0. See also
<http://www.sun.com/products-n-solutions/hardware/docs/pdf/806-3985-10.pdf>.
config CASSINI
tristate "Sun Cassini support"
depends on NET_ETHERNET && PCI
select CRC32
help
Support for the Sun Cassini chip, aka Sun GigaSwift Ethernet. See also
<http://www.sun.com/products-n-solutions/hardware/docs/pdf/817-4341-10.pdf>
config NET_VENDOR_3COM
bool "3COM cards"
depends on NET_ETHERNET && (ISA || EISA || MCA || PCI)

1
drivers/net/Makefile
View File

@ -28,6 +28,7 @@ obj-$(CONFIG_SUNQE) += sunqe.o
obj-$(CONFIG_SUNBMAC) += sunbmac.o
obj-$(CONFIG_MYRI_SBUS) += myri_sbus.o
obj-$(CONFIG_SUNGEM) += sungem.o sungem_phy.o
obj-$(CONFIG_CASSINI) += cassini.o
obj-$(CONFIG_MACE) += mace.o
obj-$(CONFIG_BMAC) += bmac.o

5311
drivers/net/cassini.c 100644
View File

File diff suppressed because it is too large Load Diff

4425
drivers/net/cassini.h 100644
View File

File diff suppressed because it is too large Load Diff

2
include/linux/if_ether.h
View File

@ -111,7 +111,9 @@ static inline struct ethhdr *eth_hdr(const struct sk_buff *skb)
return (struct ethhdr *)skb->mac.raw;
}
#ifdef CONFIG_SYSCTL
extern struct ctl_table ether_table[];
#endif
#endif
#endif /* _LINUX_IF_ETHER_H */

89
include/linux/netdevice.h
View File

@ -265,6 +265,8 @@ struct net_device
* the interface.
*/
char name[IFNAMSIZ];
/* device name hash chain */
struct hlist_node name_hlist;
/*
* I/O specific fields
@ -292,6 +294,21 @@ struct net_device
/* ------- Fields preinitialized in Space.c finish here ------- */
/* Net device features */
unsigned long features;
#define NETIF_F_SG 1 /* Scatter/gather IO. */
#define NETIF_F_IP_CSUM 2 /* Can checksum only TCP/UDP over IPv4. */
#define NETIF_F_NO_CSUM 4 /* Does not require checksum. F.e. loopack. */
#define NETIF_F_HW_CSUM 8 /* Can checksum all the packets. */
#define NETIF_F_HIGHDMA 32 /* Can DMA to high memory. */
#define NETIF_F_FRAGLIST 64 /* Scatter/gather IO. */
#define NETIF_F_HW_VLAN_TX 128 /* Transmit VLAN hw acceleration */
#define NETIF_F_HW_VLAN_RX 256 /* Receive VLAN hw acceleration */
#define NETIF_F_HW_VLAN_FILTER 512 /* Receive filtering on VLAN */
#define NETIF_F_VLAN_CHALLENGED 1024 /* Device cannot handle VLAN packets */
#define NETIF_F_TSO 2048 /* Can offload TCP/IP segmentation */
#define NETIF_F_LLTX 4096 /* LockLess TX */
struct net_device *next_sched;
/* Interface index. Unique device identifier */
@ -316,9 +333,6 @@ struct net_device
* will (read: may be cleaned up at will).
*/
/* These may be needed for future network-power-down code. */
unsigned long trans_start; /* Time (in jiffies) of last Tx */
unsigned long last_rx; /* Time of last Rx */
unsigned short flags; /* interface flags (a la BSD) */
unsigned short gflags;
@ -328,15 +342,12 @@ struct net_device
unsigned mtu; /* interface MTU value */
unsigned short type; /* interface hardware type */
unsigned short hard_header_len; /* hardware hdr length */
void *priv; /* pointer to private data */
struct net_device *master; /* Pointer to master device of a group,
* which this device is member of.
*/
/* Interface address info. */
unsigned char broadcast[MAX_ADDR_LEN]; /* hw bcast add */
unsigned char dev_addr[MAX_ADDR_LEN]; /* hw address */
unsigned char perm_addr[MAX_ADDR_LEN]; /* permanent hw address */
unsigned char addr_len; /* hardware address length */
unsigned short dev_id; /* for shared network cards */
@ -346,8 +357,6 @@ struct net_device
int promiscuity;
int allmulti;
int watchdog_timeo;
struct timer_list watchdog_timer;
/* Protocol specific pointers */
@ -358,32 +367,62 @@ struct net_device
void *ec_ptr; /* Econet specific data */
void *ax25_ptr; /* AX.25 specific data */
struct list_head poll_list; /* Link to poll list */
/*
* Cache line mostly used on receive path (including eth_type_trans())
*/
struct list_head poll_list ____cacheline_aligned_in_smp;
/* Link to poll list */
int (*poll) (struct net_device *dev, int *quota);
int quota;
int weight;
unsigned long last_rx; /* Time of last Rx */
/* Interface address info used in eth_type_trans() */
unsigned char dev_addr[MAX_ADDR_LEN]; /* hw address, (before bcast
because most packets are unicast) */
unsigned char broadcast[MAX_ADDR_LEN]; /* hw bcast add */
/*
* Cache line mostly used on queue transmit path (qdisc)
*/
/* device queue lock */
spinlock_t queue_lock ____cacheline_aligned_in_smp;
struct Qdisc *qdisc;
struct Qdisc *qdisc_sleeping;
struct Qdisc *qdisc_ingress;
struct list_head qdisc_list;
unsigned long tx_queue_len; /* Max frames per queue allowed */
/* ingress path synchronizer */
spinlock_t ingress_lock;
struct Qdisc *qdisc_ingress;
/*
* One part is mostly used on xmit path (device)
*/
/* hard_start_xmit synchronizer */
spinlock_t xmit_lock;
spinlock_t xmit_lock ____cacheline_aligned_in_smp;
/* cpu id of processor entered to hard_start_xmit or -1,
if nobody entered there.
*/
int xmit_lock_owner;
/* device queue lock */
spinlock_t queue_lock;
void *priv; /* pointer to private data */
int (*hard_start_xmit) (struct sk_buff *skb,
struct net_device *dev);
/* These may be needed for future network-power-down code. */
unsigned long trans_start; /* Time (in jiffies) of last Tx */
int watchdog_timeo; /* used by dev_watchdog() */
struct timer_list watchdog_timer;
/*
* refcnt is a very hot point, so align it on SMP
*/
/* Number of references to this device */
atomic_t refcnt;
atomic_t refcnt ____cacheline_aligned_in_smp;
/* delayed register/unregister */
struct list_head todo_list;
/* device name hash chain */
struct hlist_node name_hlist;
/* device index hash chain */
struct hlist_node index_hlist;
@ -396,21 +435,6 @@ struct net_device
NETREG_RELEASED, /* called free_netdev */
} reg_state;
/* Net device features */
unsigned long features;
#define NETIF_F_SG 1 /* Scatter/gather IO. */
#define NETIF_F_IP_CSUM 2 /* Can checksum only TCP/UDP over IPv4. */
#define NETIF_F_NO_CSUM 4 /* Does not require checksum. F.e. loopack. */
#define NETIF_F_HW_CSUM 8 /* Can checksum all the packets. */
#define NETIF_F_HIGHDMA 32 /* Can DMA to high memory. */
#define NETIF_F_FRAGLIST 64 /* Scatter/gather IO. */
#define NETIF_F_HW_VLAN_TX 128 /* Transmit VLAN hw acceleration */
#define NETIF_F_HW_VLAN_RX 256 /* Receive VLAN hw acceleration */
#define NETIF_F_HW_VLAN_FILTER 512 /* Receive filtering on VLAN */
#define NETIF_F_VLAN_CHALLENGED 1024 /* Device cannot handle VLAN packets */
#define NETIF_F_TSO 2048 /* Can offload TCP/IP segmentation */
#define NETIF_F_LLTX 4096 /* LockLess TX */
/* Called after device is detached from network. */
void (*uninit)(struct net_device *dev);
/* Called after last user reference disappears. */
@ -419,10 +443,7 @@ struct net_device
/* Pointers to interface service routines. */
int (*open)(struct net_device *dev);
int (*stop)(struct net_device *dev);
int (*hard_start_xmit) (struct sk_buff *skb,
struct net_device *dev);
#define HAVE_NETDEV_POLL
int (*poll) (struct net_device *dev, int *quota);
int (*hard_header) (struct sk_buff *skb,
struct net_device *dev,
unsigned short type,

2
include/linux/pci_ids.h
View File

@ -392,6 +392,7 @@
#define PCI_DEVICE_ID_NS_87560_USB 0x0012
#define PCI_DEVICE_ID_NS_83815 0x0020
#define PCI_DEVICE_ID_NS_83820 0x0022
#define PCI_DEVICE_ID_NS_SATURN 0x0035
#define PCI_DEVICE_ID_NS_SCx200_BRIDGE 0x0500
#define PCI_DEVICE_ID_NS_SCx200_SMI 0x0501
#define PCI_DEVICE_ID_NS_SCx200_IDE 0x0502
@ -983,6 +984,7 @@
#define PCI_DEVICE_ID_SUN_SABRE 0xa000
#define PCI_DEVICE_ID_SUN_HUMMINGBIRD 0xa001
#define PCI_DEVICE_ID_SUN_TOMATILLO 0xa801
#define PCI_DEVICE_ID_SUN_CASSINI 0xabba
#define PCI_VENDOR_ID_CMD 0x1095
#define PCI_DEVICE_ID_CMD_640 0x0640

31
net/appletalk/ddp.c
View File

@ -100,8 +100,7 @@ static struct sock *atalk_search_socket(struct sockaddr_at *to,
continue;
if (to->sat_addr.s_net == ATADDR_ANYNET &&
to->sat_addr.s_node == ATADDR_BCAST &&
at->src_net == atif->address.s_net)
to->sat_addr.s_node == ATADDR_BCAST)
goto found;
if (to->sat_addr.s_net == at->src_net &&
@ -1443,8 +1442,10 @@ static int atalk_rcv(struct sk_buff *skb, struct net_device *dev,
else
atif = atalk_find_interface(ddp->deh_dnet, ddp->deh_dnode);
/* Not ours, so we route the packet via the correct AppleTalk iface */
if (!atif) {
/* Not ours, so we route the packet via the correct
* AppleTalk iface
*/
atalk_route_packet(skb, dev, ddp, &ddphv, origlen);
goto out;
}
@ -1592,9 +1593,6 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
if (usat->sat_addr.s_net || usat->sat_addr.s_node == ATADDR_ANYNODE) {
rt = atrtr_find(&usat->sat_addr);
if (!rt)
return -ENETUNREACH;
dev = rt->dev;
} else {
struct atalk_addr at_hint;
@ -1603,11 +1601,12 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
at_hint.s_net = at->src_net;
rt = atrtr_find(&at_hint);
if (!rt)
return -ENETUNREACH;
dev = rt->dev;
}
if (!rt)
return -ENETUNREACH;
dev = rt->dev;
SOCK_DEBUG(sk, "SK %p: Size needed %d, device %s\n",
sk, size, dev->name);
@ -1677,6 +1676,20 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
SOCK_DEBUG(sk, "SK %p: Loop back.\n", sk);
/* loop back */
skb_orphan(skb);
if (ddp->deh_dnode == ATADDR_BCAST) {
struct atalk_addr at_lo;
at_lo.s_node = 0;
at_lo.s_net = 0;
rt = atrtr_find(&at_lo);
if (!rt) {
kfree_skb(skb);
return -ENETUNREACH;
}
dev = rt->dev;
skb->dev = dev;
}
ddp_dl->request(ddp_dl, skb, dev->dev_addr);
} else {
SOCK_DEBUG(sk, "SK %p: send out.\n", sk);

6
net/atm/addr.c
View File

@ -50,8 +50,10 @@ void atm_reset_addr(struct atm_dev *dev)
struct atm_dev_addr *this, *p;
spin_lock_irqsave(&dev->lock, flags);
list_for_each_entry_safe(this, p, &dev->local, entry)
kfree(this);
list_for_each_entry_safe(this, p, &dev->local, entry) {
list_del(&this->entry);
kfree(this);
}
spin_unlock_irqrestore(&dev->lock, flags);
notify_sigd(dev);
}

4
net/atm/common.c
View File

@ -178,8 +178,6 @@ static void vcc_destroy_socket(struct sock *sk)
if (vcc->push)
vcc->push(vcc, NULL); /* atmarpd has no push */
vcc_remove_socket(sk); /* no more receive */
while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) {
atm_return(vcc,skb->truesize);
kfree_skb(skb);
@ -188,6 +186,8 @@ static void vcc_destroy_socket(struct sock *sk)
module_put(vcc->dev->ops->owner);
atm_dev_put(vcc->dev);
}
vcc_remove_socket(sk);
}

34
net/atm/ioctl.c
View File

@ -105,17 +105,35 @@ int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
if (!error)
sock->state = SS_CONNECTED;
goto done;
default:
case ATM_SETBACKEND:
case ATM_NEWBACKENDIF:
{
atm_backend_t backend;
error = get_user(backend, (atm_backend_t __user *) argp);
if (error)
goto done;
switch (backend) {
case ATM_BACKEND_PPP:
request_module("pppoatm");
break;
case ATM_BACKEND_BR2684:
request_module("br2684");
break;
}
}
break;
case ATMMPC_CTRL:
case ATMMPC_DATA:
request_module("mpoa");
break;
case ATMARPD_CTRL:
request_module("clip");
break;
case ATMLEC_CTRL:
request_module("lec");
break;
}
if (cmd == ATMMPC_CTRL || cmd == ATMMPC_DATA)
request_module("mpoa");
if (cmd == ATMARPD_CTRL)
request_module("clip");
if (cmd == ATMLEC_CTRL)
request_module("lec");
error = -ENOIOCTLCMD;
down(&ioctl_mutex);

8
net/atm/signaling.c
View File

@ -217,8 +217,9 @@ void sigd_enq(struct atm_vcc *vcc,enum atmsvc_msg_type type,
static void purge_vcc(struct atm_vcc *vcc)
{
if (sk_atm(vcc)->sk_family == PF_ATMSVC &&
!test_bit(ATM_VF_META,&vcc->flags)) {
set_bit(ATM_VF_RELEASED,&vcc->flags);
!test_bit(ATM_VF_META, &vcc->flags)) {
set_bit(ATM_VF_RELEASED, &vcc->flags);
clear_bit(ATM_VF_REGIS, &vcc->flags);
vcc_release_async(vcc, -EUNATCH);
}
}
@ -243,8 +244,7 @@ static void sigd_close(struct atm_vcc *vcc)
sk_for_each(s, node, head) {
struct atm_vcc *vcc = atm_sk(s);
if (vcc->dev)
purge_vcc(vcc);
purge_vcc(vcc);
}
}
read_unlock(&vcc_sklist_lock);

1
net/atm/svc.c
View File

@ -302,6 +302,7 @@ static int svc_listen(struct socket *sock,int backlog)
error = -EINVAL;
goto out;
}
vcc_insert_socket(sk);
set_bit(ATM_VF_WAITING, &vcc->flags);
prepare_to_wait(sk->sk_sleep, &wait, TASK_UNINTERRUPTIBLE);
sigd_enq(vcc,as_listen,NULL,NULL,&vcc->local);

81
net/core/datagram.c
View File

@ -211,74 +211,45 @@ void skb_free_datagram(struct sock *sk, struct sk_buff *skb)
int skb_copy_datagram_iovec(const struct sk_buff *skb, int offset,
struct iovec *to, int len)
{
int start = skb_headlen(skb);
int i, copy = start - offset;
int i, err, fraglen, end = 0;
struct sk_buff *next = skb_shinfo(skb)->frag_list;
next_skb:
fraglen = skb_headlen(skb);
i = -1;
/* Copy header. */
if (copy > 0) {
if (copy > len)
copy = len;
if (memcpy_toiovec(to, skb->data + offset, copy))
goto fault;
if ((len -= copy) == 0)
return 0;
offset += copy;
}
while (1) {
int start = end;
/* Copy paged appendix. Hmm... why does this look so complicated? */
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
int end;
BUG_TRAP(start <= offset + len);
end = start + skb_shinfo(skb)->frags[i].size;
if ((copy = end - offset) > 0) {
int err;
u8 *vaddr;
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
struct page *page = frag->page;
if ((end += fraglen) > offset) {
int copy = end - offset, o = offset - start;
if (copy > len)
copy = len;
vaddr = kmap(page);
err = memcpy_toiovec(to, vaddr + frag->page_offset +
offset - start, copy);
kunmap(page);
if (i == -1)
err = memcpy_toiovec(to, skb->data + o, copy);
else {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
struct page *page = frag->page;
void *p = kmap(page) + frag->page_offset + o;
err = memcpy_toiovec(to, p, copy);
kunmap(page);
}
if (err)
goto fault;
if (!(len -= copy))
return 0;
offset += copy;
}
start = end;
if (++i >= skb_shinfo(skb)->nr_frags)
break;
fraglen = skb_shinfo(skb)->frags[i].size;
}
if (skb_shinfo(skb)->frag_list) {
struct sk_buff *list = skb_shinfo(skb)->frag_list;
for (; list; list = list->next) {
int end;
BUG_TRAP(start <= offset + len);
end = start + list->len;
if ((copy = end - offset) > 0) {
if (copy > len)
copy = len;
if (skb_copy_datagram_iovec(list,
offset - start,
to, copy))
goto fault;
if ((len -= copy) == 0)
return 0;
offset += copy;
}
start = end;
}
if (next) {
skb = next;
BUG_ON(skb_shinfo(skb)->frag_list);
next = skb->next;
goto next_skb;
}
if (!len)
return 0;
fault:
return -EFAULT;
}

2
net/core/dev.c
View File

@ -1259,6 +1259,8 @@ int dev_queue_xmit(struct sk_buff *skb)
if (skb_checksum_help(skb, 0))
goto out_kfree_skb;
spin_lock_prefetch(&dev->queue_lock);
/* Disable soft irqs for various locks below. Also
* stops preemption for RCU.
*/

20
net/core/sock.c
View File

@ -660,16 +660,20 @@ struct sock *sk_alloc(int family, unsigned int __nocast priority,
sock_lock_init(sk);
}
if (security_sk_alloc(sk, family, priority)) {
if (slab != NULL)
kmem_cache_free(slab, sk);
else
kfree(sk);
sk = NULL;
} else
__module_get(prot->owner);
if (security_sk_alloc(sk, family, priority))
goto out_free;
if (!try_module_get(prot->owner))
goto out_free;
}
return sk;
out_free:
if (slab != NULL)
kmem_cache_free(slab, sk);
else
kfree(sk);
return NULL;
}
void sk_free(struct sock *sk)

31
net/ethernet/eth.c
View File

@ -146,6 +146,19 @@ int eth_rebuild_header(struct sk_buff *skb)
return 0;
}
static inline unsigned int compare_eth_addr(const unsigned char *__a, const unsigned char *__b)
{
const unsigned short *dest = (unsigned short *) __a;
const unsigned short *devaddr = (unsigned short *) __b;
unsigned int res;
BUILD_BUG_ON(ETH_ALEN != 6);
res = ((dest[0] ^ devaddr[0]) |
(dest[1] ^ devaddr[1]) |
(dest[2] ^ devaddr[2])) != 0;
return res;
}
/*
* Determine the packet's protocol ID. The rule here is that we
@ -158,16 +171,15 @@ __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev)
struct ethhdr *eth;
unsigned char *rawp;
skb->mac.raw=skb->data;
skb->mac.raw = skb->data;
skb_pull(skb,ETH_HLEN);
eth = eth_hdr(skb);
if(*eth->h_dest&1)
{
if(memcmp(eth->h_dest,dev->broadcast, ETH_ALEN)==0)
skb->pkt_type=PACKET_BROADCAST;
if (*eth->h_dest&1) {
if (!compare_eth_addr(eth->h_dest, dev->broadcast))
skb->pkt_type = PACKET_BROADCAST;
else
skb->pkt_type=PACKET_MULTICAST;
skb->pkt_type = PACKET_MULTICAST;
}
/*
@ -178,10 +190,9 @@ __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev)
* seems to set IFF_PROMISC.
*/
else if(1 /*dev->flags&IFF_PROMISC*/)
{
if(memcmp(eth->h_dest,dev->dev_addr, ETH_ALEN))
skb->pkt_type=PACKET_OTHERHOST;
else if(1 /*dev->flags&IFF_PROMISC*/) {
if (unlikely(compare_eth_addr(eth->h_dest, dev->dev_addr)))
skb->pkt_type = PACKET_OTHERHOST;
}
if (ntohs(eth->h_proto) >= 1536)

11
net/ipv4/tcp_output.c
View File

@ -190,15 +190,16 @@ void tcp_select_initial_window(int __space, __u32 mss,
}
/* Set initial window to value enough for senders,
* following RFC1414. Senders, not following this RFC,
* following RFC2414. Senders, not following this RFC,
* will be satisfied with 2.
*/
if (mss > (1<<*rcv_wscale)) {
int init_cwnd = 4;
if (mss > 1460*3)
int init_cwnd;
if (mss > 1460)
init_cwnd = 2;
else if (mss > 1460)
init_cwnd = 3;
else
init_cwnd = (mss > 1095) ? 3 : 4;
if (*rcv_wnd > init_cwnd*mss)
*rcv_wnd = init_cwnd*mss;
}

26
net/rose/af_rose.c
View File

@ -1472,22 +1472,25 @@ static const char banner[] = KERN_INFO "F6FBB/G4KLX ROSE for Linux. Version 0.62
static int __init rose_proto_init(void)
{
int i;
int rc = proto_register(&rose_proto, 0);
int rc;
if (rose_ndevs > 0x7FFFFFFF/sizeof(struct net_device *)) {
printk(KERN_ERR "ROSE: rose_proto_init - rose_ndevs parameter to large\n");
rc = -EINVAL;
goto out;
}
rc = proto_register(&rose_proto, 0);
if (rc != 0)
goto out;
rose_callsign = null_ax25_address;
if (rose_ndevs > 0x7FFFFFFF/sizeof(struct net_device *)) {
printk(KERN_ERR "ROSE: rose_proto_init - rose_ndevs parameter to large\n");
return -1;
}
dev_rose = kmalloc(rose_ndevs * sizeof(struct net_device *), GFP_KERNEL);
if (dev_rose == NULL) {
printk(KERN_ERR "ROSE: rose_proto_init - unable to allocate device structure\n");
return -1;
rc = -ENOMEM;
goto out_proto_unregister;
}
memset(dev_rose, 0x00, rose_ndevs * sizeof(struct net_device*));
@ -1500,10 +1503,12 @@ static int __init rose_proto_init(void)
name, rose_setup);
if (!dev) {
printk(KERN_ERR "ROSE: rose_proto_init - unable to allocate memory\n");
rc = -ENOMEM;
goto fail;
}
if (register_netdev(dev)) {
printk(KERN_ERR "ROSE: netdevice regeistration failed\n");
rc = register_netdev(dev);
if (rc) {
printk(KERN_ERR "ROSE: netdevice registration failed\n");
free_netdev(dev);
goto fail;
}
@ -1536,8 +1541,9 @@ fail:
free_netdev(dev_rose[i]);
}
kfree(dev_rose);
out_proto_unregister:
proto_unregister(&rose_proto);
return -ENOMEM;
goto out;
}
module_init(rose_proto_init);

13
net/socket.c
View File

@ -1145,8 +1145,11 @@ static int __sock_create(int family, int type, int protocol, struct socket **res
if (!try_module_get(net_families[family]->owner))
goto out_release;
if ((err = net_families[family]->create(sock, protocol)) < 0)
if ((err = net_families[family]->create(sock, protocol)) < 0) {
sock->ops = NULL;
goto out_module_put;
}
/*
* Now to bump the refcnt of the [loadable] module that owns this
* socket at sock_release time we decrement its refcnt.
@ -1360,16 +1363,16 @@ asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr, int _
newsock->type = sock->type;
newsock->ops = sock->ops;
err = security_socket_accept(sock, newsock);
if (err)
goto out_release;
/*
* We don't need try_module_get here, as the listening socket (sock)
* has the protocol module (sock->ops->owner) held.
*/
__module_get(newsock->ops->owner);
err = security_socket_accept(sock, newsock);
if (err)
goto out_release;
err = sock->ops->accept(sock, newsock, sock->file->f_flags);
if (err < 0)
goto out_release;