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-rw-r--r--net/unix/af_unix.c215
-rw-r--r--net/unix/garbage.c12
-rw-r--r--net/unix/sysctl_net_unix.c3
3 files changed, 116 insertions, 114 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 66d5ac4773a..d1b89820ab4 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -164,7 +164,7 @@ static inline int unix_our_peer(struct sock *sk, struct sock *osk)
static inline int unix_may_send(struct sock *sk, struct sock *osk)
{
- return (unix_peer(osk) == NULL || unix_our_peer(sk, osk));
+ return unix_peer(osk) == NULL || unix_our_peer(sk, osk);
}
static inline int unix_recvq_full(struct sock const *sk)
@@ -197,7 +197,7 @@ static inline void unix_release_addr(struct unix_address *addr)
* - if started by zero, it is abstract name.
*/
-static int unix_mkname(struct sockaddr_un * sunaddr, int len, unsigned *hashp)
+static int unix_mkname(struct sockaddr_un *sunaddr, int len, unsigned *hashp)
{
if (len <= sizeof(short) || len > sizeof(*sunaddr))
return -EINVAL;
@@ -211,12 +211,12 @@ static int unix_mkname(struct sockaddr_un * sunaddr, int len, unsigned *hashp)
* we are guaranteed that it is a valid memory location in our
* kernel address buffer.
*/
- ((char *)sunaddr)[len]=0;
+ ((char *)sunaddr)[len] = 0;
len = strlen(sunaddr->sun_path)+1+sizeof(short);
return len;
}
- *hashp = unix_hash_fold(csum_partial((char*)sunaddr, len, 0));
+ *hashp = unix_hash_fold(csum_partial(sunaddr, len, 0));
return len;
}
@@ -295,8 +295,7 @@ static struct sock *unix_find_socket_byinode(struct net *net, struct inode *i)
if (!net_eq(sock_net(s), net))
continue;
- if(dentry && dentry->d_inode == i)
- {
+ if (dentry && dentry->d_inode == i) {
sock_hold(s);
goto found;
}
@@ -354,7 +353,7 @@ static void unix_sock_destructor(struct sock *sk)
WARN_ON(!sk_unhashed(sk));
WARN_ON(sk->sk_socket);
if (!sock_flag(sk, SOCK_DEAD)) {
- printk("Attempt to release alive unix socket: %p\n", sk);
+ printk(KERN_INFO "Attempt to release alive unix socket: %p\n", sk);
return;
}
@@ -362,12 +361,16 @@ static void unix_sock_destructor(struct sock *sk)
unix_release_addr(u->addr);
atomic_dec(&unix_nr_socks);
+ local_bh_disable();
+ sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
+ local_bh_enable();
#ifdef UNIX_REFCNT_DEBUG
- printk(KERN_DEBUG "UNIX %p is destroyed, %d are still alive.\n", sk, atomic_read(&unix_nr_socks));
+ printk(KERN_DEBUG "UNIX %p is destroyed, %d are still alive.\n", sk,
+ atomic_read(&unix_nr_socks));
#endif
}
-static int unix_release_sock (struct sock *sk, int embrion)
+static int unix_release_sock(struct sock *sk, int embrion)
{
struct unix_sock *u = unix_sk(sk);
struct dentry *dentry;
@@ -392,9 +395,9 @@ static int unix_release_sock (struct sock *sk, int embrion)
wake_up_interruptible_all(&u->peer_wait);
- skpair=unix_peer(sk);
+ skpair = unix_peer(sk);
- if (skpair!=NULL) {
+ if (skpair != NULL) {
if (sk->sk_type == SOCK_STREAM || sk->sk_type == SOCK_SEQPACKET) {
unix_state_lock(skpair);
/* No more writes */
@@ -414,7 +417,7 @@ static int unix_release_sock (struct sock *sk, int embrion)
/* Try to flush out this socket. Throw out buffers at least */
while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) {
- if (state==TCP_LISTEN)
+ if (state == TCP_LISTEN)
unix_release_sock(skb->sk, 1);
/* passed fds are erased in the kfree_skb hook */
kfree_skb(skb);
@@ -453,11 +456,11 @@ static int unix_listen(struct socket *sock, int backlog)
struct unix_sock *u = unix_sk(sk);
err = -EOPNOTSUPP;
- if (sock->type!=SOCK_STREAM && sock->type!=SOCK_SEQPACKET)
- goto out; /* Only stream/seqpacket sockets accept */
+ if (sock->type != SOCK_STREAM && sock->type != SOCK_SEQPACKET)
+ goto out; /* Only stream/seqpacket sockets accept */
err = -EINVAL;
if (!u->addr)
- goto out; /* No listens on an unbound socket */
+ goto out; /* No listens on an unbound socket */
unix_state_lock(sk);
if (sk->sk_state != TCP_CLOSE && sk->sk_state != TCP_LISTEN)
goto out_unlock;
@@ -467,8 +470,7 @@ static int unix_listen(struct socket *sock, int backlog)
sk->sk_state = TCP_LISTEN;
/* set credentials so connect can copy them */
sk->sk_peercred.pid = task_tgid_vnr(current);
- sk->sk_peercred.uid = current->euid;
- sk->sk_peercred.gid = current->egid;
+ current_euid_egid(&sk->sk_peercred.uid, &sk->sk_peercred.gid);
err = 0;
out_unlock:
@@ -566,9 +568,9 @@ static const struct proto_ops unix_seqpacket_ops = {
};
static struct proto unix_proto = {
- .name = "UNIX",
- .owner = THIS_MODULE,
- .obj_size = sizeof(struct unix_sock),
+ .name = "UNIX",
+ .owner = THIS_MODULE,
+ .obj_size = sizeof(struct unix_sock),
};
/*
@@ -579,7 +581,7 @@ static struct proto unix_proto = {
*/
static struct lock_class_key af_unix_sk_receive_queue_lock_key;
-static struct sock * unix_create1(struct net *net, struct socket *sock)
+static struct sock *unix_create1(struct net *net, struct socket *sock)
{
struct sock *sk = NULL;
struct unix_sock *u;
@@ -592,7 +594,7 @@ static struct sock * unix_create1(struct net *net, struct socket *sock)
if (!sk)
goto out;
- sock_init_data(sock,sk);
+ sock_init_data(sock, sk);
lockdep_set_class(&sk->sk_receive_queue.lock,
&af_unix_sk_receive_queue_lock_key);
@@ -611,6 +613,11 @@ static struct sock * unix_create1(struct net *net, struct socket *sock)
out:
if (sk == NULL)
atomic_dec(&unix_nr_socks);
+ else {
+ local_bh_disable();
+ sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
+ local_bh_enable();
+ }
return sk;
}
@@ -630,7 +637,7 @@ static int unix_create(struct net *net, struct socket *sock, int protocol)
* nothing uses it.
*/
case SOCK_RAW:
- sock->type=SOCK_DGRAM;
+ sock->type = SOCK_DGRAM;
case SOCK_DGRAM:
sock->ops = &unix_dgram_ops;
break;
@@ -653,7 +660,7 @@ static int unix_release(struct socket *sock)
sock->sk = NULL;
- return unix_release_sock (sk, 0);
+ return unix_release_sock(sk, 0);
}
static int unix_autobind(struct socket *sock)
@@ -662,7 +669,7 @@ static int unix_autobind(struct socket *sock)
struct net *net = sock_net(sk);
struct unix_sock *u = unix_sk(sk);
static u32 ordernum = 1;
- struct unix_address * addr;
+ struct unix_address *addr;
int err;
mutex_lock(&u->readlock);
@@ -681,7 +688,7 @@ static int unix_autobind(struct socket *sock)
retry:
addr->len = sprintf(addr->name->sun_path+1, "%05x", ordernum) + 1 + sizeof(short);
- addr->hash = unix_hash_fold(csum_partial((void*)addr->name, addr->len, 0));
+ addr->hash = unix_hash_fold(csum_partial(addr->name, addr->len, 0));
spin_lock(&unix_table_lock);
ordernum = (ordernum+1)&0xFFFFF;
@@ -736,14 +743,14 @@ static struct sock *unix_find_other(struct net *net,
path_put(&path);
- err=-EPROTOTYPE;
+ err = -EPROTOTYPE;
if (u->sk_type != type) {
sock_put(u);
goto fail;
}
} else {
err = -ECONNREFUSED;
- u=unix_find_socket_byname(net, sunname, len, type, hash);
+ u = unix_find_socket_byname(net, sunname, len, type, hash);
if (u) {
struct dentry *dentry;
dentry = unix_sk(u)->dentry;
@@ -757,7 +764,7 @@ static struct sock *unix_find_other(struct net *net,
put_fail:
path_put(&path);
fail:
- *error=err;
+ *error = err;
return NULL;
}
@@ -767,8 +774,8 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
struct sock *sk = sock->sk;
struct net *net = sock_net(sk);
struct unix_sock *u = unix_sk(sk);
- struct sockaddr_un *sunaddr=(struct sockaddr_un *)uaddr;
- struct dentry * dentry = NULL;
+ struct sockaddr_un *sunaddr = (struct sockaddr_un *)uaddr;
+ struct dentry *dentry = NULL;
struct nameidata nd;
int err;
unsigned hash;
@@ -779,7 +786,7 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
if (sunaddr->sun_family != AF_UNIX)
goto out;
- if (addr_len==sizeof(short)) {
+ if (addr_len == sizeof(short)) {
err = unix_autobind(sock);
goto out;
}
@@ -829,7 +836,11 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
err = mnt_want_write(nd.path.mnt);
if (err)
goto out_mknod_dput;
+ err = security_path_mknod(&nd.path, dentry, mode, 0);
+ if (err)
+ goto out_mknod_drop_write;
err = vfs_mknod(nd.path.dentry->d_inode, dentry, mode, 0);
+out_mknod_drop_write:
mnt_drop_write(nd.path.mnt);
if (err)
goto out_mknod_dput;
@@ -875,8 +886,8 @@ out_mknod_unlock:
mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
path_put(&nd.path);
out_mknod_parent:
- if (err==-EEXIST)
- err=-EADDRINUSE;
+ if (err == -EEXIST)
+ err = -EADDRINUSE;
unix_release_addr(addr);
goto out_up;
}
@@ -911,7 +922,7 @@ static int unix_dgram_connect(struct socket *sock, struct sockaddr *addr,
{
struct sock *sk = sock->sk;
struct net *net = sock_net(sk);
- struct sockaddr_un *sunaddr=(struct sockaddr_un*)addr;
+ struct sockaddr_un *sunaddr = (struct sockaddr_un *)addr;
struct sock *other;
unsigned hash;
int err;
@@ -927,7 +938,7 @@ static int unix_dgram_connect(struct socket *sock, struct sockaddr *addr,
goto out;
restart:
- other=unix_find_other(net, sunaddr, alen, sock->type, hash, &err);
+ other = unix_find_other(net, sunaddr, alen, sock->type, hash, &err);
if (!other)
goto out;
@@ -961,14 +972,14 @@ restart:
*/
if (unix_peer(sk)) {
struct sock *old_peer = unix_peer(sk);
- unix_peer(sk)=other;
+ unix_peer(sk) = other;
unix_state_double_unlock(sk, other);
if (other != old_peer)
unix_dgram_disconnected(sk, old_peer);
sock_put(old_peer);
} else {
- unix_peer(sk)=other;
+ unix_peer(sk) = other;
unix_state_double_unlock(sk, other);
}
return 0;
@@ -1004,7 +1015,7 @@ static long unix_wait_for_peer(struct sock *other, long timeo)
static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr,
int addr_len, int flags)
{
- struct sockaddr_un *sunaddr=(struct sockaddr_un *)uaddr;
+ struct sockaddr_un *sunaddr = (struct sockaddr_un *)uaddr;
struct sock *sk = sock->sk;
struct net *net = sock_net(sk);
struct unix_sock *u = unix_sk(sk), *newu, *otheru;
@@ -1126,8 +1137,7 @@ restart:
newsk->sk_state = TCP_ESTABLISHED;
newsk->sk_type = sk->sk_type;
newsk->sk_peercred.pid = task_tgid_vnr(current);
- newsk->sk_peercred.uid = current->euid;
- newsk->sk_peercred.gid = current->egid;
+ current_euid_egid(&newsk->sk_peercred.uid, &newsk->sk_peercred.gid);
newu = unix_sk(newsk);
newsk->sk_sleep = &newu->peer_wait;
otheru = unix_sk(other);
@@ -1179,16 +1189,17 @@ out:
static int unix_socketpair(struct socket *socka, struct socket *sockb)
{
- struct sock *ska=socka->sk, *skb = sockb->sk;
+ struct sock *ska = socka->sk, *skb = sockb->sk;
/* Join our sockets back to back */
sock_hold(ska);
sock_hold(skb);
- unix_peer(ska)=skb;
- unix_peer(skb)=ska;
+ unix_peer(ska) = skb;
+ unix_peer(skb) = ska;
ska->sk_peercred.pid = skb->sk_peercred.pid = task_tgid_vnr(current);
- ska->sk_peercred.uid = skb->sk_peercred.uid = current->euid;
- ska->sk_peercred.gid = skb->sk_peercred.gid = current->egid;
+ current_euid_egid(&skb->sk_peercred.uid, &skb->sk_peercred.gid);
+ ska->sk_peercred.uid = skb->sk_peercred.uid;
+ ska->sk_peercred.gid = skb->sk_peercred.gid;
if (ska->sk_type != SOCK_DGRAM) {
ska->sk_state = TCP_ESTABLISHED;
@@ -1207,7 +1218,7 @@ static int unix_accept(struct socket *sock, struct socket *newsock, int flags)
int err;
err = -EOPNOTSUPP;
- if (sock->type!=SOCK_STREAM && sock->type!=SOCK_SEQPACKET)
+ if (sock->type != SOCK_STREAM && sock->type != SOCK_SEQPACKET)
goto out;
err = -EINVAL;
@@ -1246,7 +1257,7 @@ static int unix_getname(struct socket *sock, struct sockaddr *uaddr, int *uaddr_
{
struct sock *sk = sock->sk;
struct unix_sock *u;
- struct sockaddr_un *sunaddr=(struct sockaddr_un *)uaddr;
+ struct sockaddr_un *sunaddr = (struct sockaddr_un *)uaddr;
int err = 0;
if (peer) {
@@ -1286,7 +1297,7 @@ static void unix_detach_fds(struct scm_cookie *scm, struct sk_buff *skb)
skb->destructor = sock_wfree;
UNIXCB(skb).fp = NULL;
- for (i=scm->fp->count-1; i>=0; i--)
+ for (i = scm->fp->count-1; i >= 0; i--)
unix_notinflight(scm->fp->fp[i]);
}
@@ -1315,7 +1326,7 @@ static int unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb)
if (!UNIXCB(skb).fp)
return -ENOMEM;
- for (i=scm->fp->count-1; i>=0; i--)
+ for (i = scm->fp->count-1; i >= 0; i--)
unix_inflight(scm->fp->fp[i]);
skb->destructor = unix_destruct_fds;
return 0;
@@ -1332,7 +1343,7 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
struct sock *sk = sock->sk;
struct net *net = sock_net(sk);
struct unix_sock *u = unix_sk(sk);
- struct sockaddr_un *sunaddr=msg->msg_name;
+ struct sockaddr_un *sunaddr = msg->msg_name;
struct sock *other = NULL;
int namelen = 0; /* fake GCC */
int err;
@@ -1374,7 +1385,7 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
goto out;
skb = sock_alloc_send_skb(sk, len, msg->msg_flags&MSG_DONTWAIT, &err);
- if (skb==NULL)
+ if (skb == NULL)
goto out;
memcpy(UNIXCREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
@@ -1386,7 +1397,7 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
unix_get_secdata(siocb->scm, skb);
skb_reset_transport_header(skb);
- err = memcpy_fromiovec(skb_put(skb,len), msg->msg_iov, len);
+ err = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len);
if (err)
goto out_free;
@@ -1400,7 +1411,7 @@ restart:
other = unix_find_other(net, sunaddr, namelen, sk->sk_type,
hash, &err);
- if (other==NULL)
+ if (other == NULL)
goto out_free;
}
@@ -1420,7 +1431,7 @@ restart:
err = 0;
unix_state_lock(sk);
if (unix_peer(sk) == other) {
- unix_peer(sk)=NULL;
+ unix_peer(sk) = NULL;
unix_state_unlock(sk);
unix_dgram_disconnected(sk, other);
@@ -1486,10 +1497,10 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
struct sock_iocb *siocb = kiocb_to_siocb(kiocb);
struct sock *sk = sock->sk;
struct sock *other = NULL;
- struct sockaddr_un *sunaddr=msg->msg_name;
- int err,size;
+ struct sockaddr_un *sunaddr = msg->msg_name;
+ int err, size;
struct sk_buff *skb;
- int sent=0;
+ int sent = 0;
struct scm_cookie tmp_scm;
if (NULL == siocb->scm)
@@ -1517,8 +1528,7 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
if (sk->sk_shutdown & SEND_SHUTDOWN)
goto pipe_err;
- while(sent < len)
- {
+ while (sent < len) {
/*
* Optimisation for the fact that under 0.01% of X
* messages typically need breaking up.
@@ -1537,9 +1547,10 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
* Grab a buffer
*/
- skb=sock_alloc_send_skb(sk,size,msg->msg_flags&MSG_DONTWAIT, &err);
+ skb = sock_alloc_send_skb(sk, size, msg->msg_flags&MSG_DONTWAIT,
+ &err);
- if (skb==NULL)
+ if (skb == NULL)
goto out_err;
/*
@@ -1560,7 +1571,8 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
}
}
- if ((err = memcpy_fromiovec(skb_put(skb,size), msg->msg_iov, size)) != 0) {
+ err = memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size);
+ if (err) {
kfree_skb(skb);
goto out_err;
}
@@ -1574,7 +1586,7 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
skb_queue_tail(&other->sk_receive_queue, skb);
unix_state_unlock(other);
other->sk_data_ready(other, size);
- sent+=size;
+ sent += size;
}
scm_destroy(siocb->scm);
@@ -1586,8 +1598,8 @@ pipe_err_free:
unix_state_unlock(other);
kfree_skb(skb);
pipe_err:
- if (sent==0 && !(msg->msg_flags&MSG_NOSIGNAL))
- send_sig(SIGPIPE,current,0);
+ if (sent == 0 && !(msg->msg_flags&MSG_NOSIGNAL))
+ send_sig(SIGPIPE, current, 0);
err = -EPIPE;
out_err:
scm_destroy(siocb->scm);
@@ -1677,13 +1689,10 @@ static int unix_dgram_recvmsg(struct kiocb *iocb, struct socket *sock,
siocb->scm->creds = *UNIXCREDS(skb);
unix_set_secdata(siocb->scm, skb);
- if (!(flags & MSG_PEEK))
- {
+ if (!(flags & MSG_PEEK)) {
if (UNIXCB(skb).fp)
unix_detach_fds(siocb->scm, skb);
- }
- else
- {
+ } else {
/* It is questionable: on PEEK we could:
- do not return fds - good, but too simple 8)
- return fds, and do not return them on read (old strategy,
@@ -1704,7 +1713,7 @@ static int unix_dgram_recvmsg(struct kiocb *iocb, struct socket *sock,
scm_recv(sock, msg, siocb->scm, flags);
out_free:
- skb_free_datagram(sk,skb);
+ skb_free_datagram(sk, skb);
out_unlock:
mutex_unlock(&u->readlock);
out:
@@ -1715,7 +1724,7 @@ out:
* Sleep until data has arrive. But check for races..
*/
-static long unix_stream_data_wait(struct sock * sk, long timeo)
+static long unix_stream_data_wait(struct sock *sk, long timeo)
{
DEFINE_WAIT(wait);
@@ -1753,7 +1762,7 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
struct scm_cookie tmp_scm;
struct sock *sk = sock->sk;
struct unix_sock *u = unix_sk(sk);
- struct sockaddr_un *sunaddr=msg->msg_name;
+ struct sockaddr_un *sunaddr = msg->msg_name;
int copied = 0;
int check_creds = 0;
int target;
@@ -1784,15 +1793,13 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
mutex_lock(&u->readlock);
- do
- {
+ do {
int chunk;
struct sk_buff *skb;
unix_state_lock(sk);
skb = skb_dequeue(&sk->sk_receive_queue);
- if (skb==NULL)
- {
+ if (skb == NULL) {
if (copied >= target)
goto unlock;
@@ -1800,7 +1807,8 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
* POSIX 1003.1g mandates this order.
*/
- if ((err = sock_error(sk)) != 0)
+ err = sock_error(sk);
+ if (err)
goto unlock;
if (sk->sk_shutdown & RCV_SHUTDOWN)
goto unlock;
@@ -1827,7 +1835,8 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
if (check_creds) {
/* Never glue messages from different writers */
- if (memcmp(UNIXCREDS(skb), &siocb->scm->creds, sizeof(siocb->scm->creds)) != 0) {
+ if (memcmp(UNIXCREDS(skb), &siocb->scm->creds,
+ sizeof(siocb->scm->creds)) != 0) {
skb_queue_head(&sk->sk_receive_queue, skb);
break;
}
@@ -1838,8 +1847,7 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
}
/* Copy address just once */
- if (sunaddr)
- {
+ if (sunaddr) {
unix_copy_addr(msg, skb->sk);
sunaddr = NULL;
}
@@ -1855,16 +1863,14 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
size -= chunk;
/* Mark read part of skb as used */
- if (!(flags & MSG_PEEK))
- {
+ if (!(flags & MSG_PEEK)) {
skb_pull(skb, chunk);
if (UNIXCB(skb).fp)
unix_detach_fds(siocb->scm, skb);
/* put the skb back if we didn't use it up.. */
- if (skb->len)
- {
+ if (skb->len) {
skb_queue_head(&sk->sk_receive_queue, skb);
break;
}
@@ -1873,9 +1879,7 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
if (siocb->scm->fp)
break;
- }
- else
- {
+ } else {
/* It is questionable, see note in unix_dgram_recvmsg.
*/
if (UNIXCB(skb).fp)
@@ -1903,7 +1907,7 @@ static int unix_shutdown(struct socket *sock, int mode)
if (mode) {
unix_state_lock(sk);
sk->sk_shutdown |= mode;
- other=unix_peer(sk);
+ other = unix_peer(sk);
if (other)
sock_hold(other);
unix_state_unlock(sk);
@@ -1938,16 +1942,15 @@ static int unix_shutdown(struct socket *sock, int mode)
static int unix_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
struct sock *sk = sock->sk;
- long amount=0;
+ long amount = 0;
int err;
- switch(cmd)
- {
- case SIOCOUTQ:
- amount = atomic_read(&sk->sk_wmem_alloc);
- err = put_user(amount, (int __user *)arg);
- break;
- case SIOCINQ:
+ switch (cmd) {
+ case SIOCOUTQ:
+ amount = atomic_read(&sk->sk_wmem_alloc);
+ err = put_user(amount, (int __user *)arg);
+ break;
+ case SIOCINQ:
{
struct sk_buff *skb;
@@ -1964,21 +1967,21 @@ static int unix_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
} else {
skb = skb_peek(&sk->sk_receive_queue);
if (skb)
- amount=skb->len;
+ amount = skb->len;
}
spin_unlock(&sk->sk_receive_queue.lock);
err = put_user(amount, (int __user *)arg);
break;
}
- default:
- err = -ENOIOCTLCMD;
- break;
+ default:
+ err = -ENOIOCTLCMD;
+ break;
}
return err;
}
-static unsigned int unix_poll(struct file * file, struct socket *sock, poll_table *wait)
+static unsigned int unix_poll(struct file *file, struct socket *sock, poll_table *wait)
{
struct sock *sk = sock->sk;
unsigned int mask;
@@ -2000,7 +2003,8 @@ static unsigned int unix_poll(struct file * file, struct socket *sock, poll_tabl
mask |= POLLIN | POLLRDNORM;
/* Connection-based need to check for termination and startup */
- if ((sk->sk_type == SOCK_STREAM || sk->sk_type == SOCK_SEQPACKET) && sk->sk_state == TCP_CLOSE)
+ if ((sk->sk_type == SOCK_STREAM || sk->sk_type == SOCK_SEQPACKET) &&
+ sk->sk_state == TCP_CLOSE)
mask |= POLLHUP;
/*
@@ -2096,6 +2100,7 @@ struct unix_iter_state {
struct seq_net_private p;
int i;
};
+
static struct sock *unix_seq_idx(struct seq_file *seq, loff_t pos)
{
struct unix_iter_state *iter = seq->private;
@@ -2112,7 +2117,6 @@ static struct sock *unix_seq_idx(struct seq_file *seq, loff_t pos)
return NULL;
}
-
static void *unix_seq_start(struct seq_file *seq, loff_t *pos)
__acquires(unix_table_lock)
{
@@ -2192,7 +2196,6 @@ static const struct seq_operations unix_seq_ops = {
.show = unix_seq_show,
};
-
static int unix_seq_open(struct inode *inode, struct file *file)
{
return seq_open_net(inode, file, &unix_seq_ops,
diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index abb3ab34cb1..19c17e4a0c8 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -106,8 +106,8 @@ static struct sock *unix_get_socket(struct file *filp)
* Socket ?
*/
if (S_ISSOCK(inode->i_mode)) {
- struct socket * sock = SOCKET_I(inode);
- struct sock * s = sock->sk;
+ struct socket *sock = SOCKET_I(inode);
+ struct sock *s = sock->sk;
/*
* PF_UNIX ?
@@ -126,7 +126,7 @@ static struct sock *unix_get_socket(struct file *filp)
void unix_inflight(struct file *fp)
{
struct sock *s = unix_get_socket(fp);
- if(s) {
+ if (s) {
struct unix_sock *u = unix_sk(s);
spin_lock(&unix_gc_lock);
if (atomic_long_inc_return(&u->inflight) == 1) {
@@ -143,7 +143,7 @@ void unix_inflight(struct file *fp)
void unix_notinflight(struct file *fp)
{
struct sock *s = unix_get_socket(fp);
- if(s) {
+ if (s) {
struct unix_sock *u = unix_sk(s);
spin_lock(&unix_gc_lock);
BUG_ON(list_empty(&u->link));
@@ -156,7 +156,7 @@ void unix_notinflight(struct file *fp)
static inline struct sk_buff *sock_queue_head(struct sock *sk)
{
- return (struct sk_buff *) &sk->sk_receive_queue;
+ return (struct sk_buff *)&sk->sk_receive_queue;
}
#define receive_queue_for_each_skb(sk, next, skb) \
@@ -370,7 +370,7 @@ void unix_gc(void)
*/
skb_queue_head_init(&hitlist);
list_for_each_entry(u, &gc_candidates, link)
- scan_children(&u->sk, inc_inflight, &hitlist);
+ scan_children(&u->sk, inc_inflight, &hitlist);
spin_unlock(&unix_gc_lock);
diff --git a/net/unix/sysctl_net_unix.c b/net/unix/sysctl_net_unix.c
index 77513d7e35f..83c093077eb 100644
--- a/net/unix/sysctl_net_unix.c
+++ b/net/unix/sysctl_net_unix.c
@@ -21,7 +21,7 @@ static ctl_table unix_table[] = {
.data = &init_net.unx.sysctl_max_dgram_qlen,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec
+ .proc_handler = proc_dointvec
},
{ .ctl_name = 0 }
};
@@ -61,4 +61,3 @@ void unix_sysctl_unregister(struct net *net)
unregister_sysctl_table(net->unx.ctl);
kfree(table);
}
-
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-30 05:39:32 +0000