#include <linux/audit.h>
#include <linux/wireless.h>
#include <linux/nsproxy.h>
+#include <linux/magic.h>
+#include <linux/slab.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
#include <net/compat.h>
#include <net/wext.h>
+#include <net/cls_cgroup.h>
#include <net/sock.h>
#include <linux/netfilter.h>
+#include <linux/if_tun.h>
+#include <linux/ipv6_route.h>
+#include <linux/route.h>
+#include <linux/sockios.h>
+#include <linux/atalk.h>
+
static int sock_no_open(struct inode *irrelevant, struct file *dontcare);
static ssize_t sock_aio_read(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t pos);
return __put_user(klen, ulen);
}
-#define SOCKFS_MAGIC 0x534F434B
-
static struct kmem_cache *sock_inode_cachep __read_mostly;
static struct inode *sock_alloc_inode(struct super_block *sb)
ei = kmem_cache_alloc(sock_inode_cachep, GFP_KERNEL);
if (!ei)
return NULL;
- init_waitqueue_head(&ei->socket.wait);
+ ei->socket.wq = kmalloc(sizeof(struct socket_wq), GFP_KERNEL);
+ if (!ei->socket.wq) {
+ kmem_cache_free(sock_inode_cachep, ei);
+ return NULL;
+ }
+ init_waitqueue_head(&ei->socket.wq->wait);
+ ei->socket.wq->fasync_list = NULL;
- ei->socket.fasync_list = NULL;
ei->socket.state = SS_UNCONNECTED;
ei->socket.flags = 0;
ei->socket.ops = NULL;
return &ei->vfs_inode;
}
+
+static void wq_free_rcu(struct rcu_head *head)
+{
+ struct socket_wq *wq = container_of(head, struct socket_wq, rcu);
+
+ kfree(wq);
+}
+
static void sock_destroy_inode(struct inode *inode)
{
- kmem_cache_free(sock_inode_cachep,
- container_of(inode, struct socket_alloc, vfs_inode));
+ struct socket_alloc *ei;
+
+ ei = container_of(inode, struct socket_alloc, vfs_inode);
+ call_rcu(&ei->socket.wq->rcu, wq_free_rcu);
+ kmem_cache_free(sock_inode_cachep, ei);
}
static void init_once(void *foo)
return 0;
}
-static struct super_operations sockfs_ops = {
+static const struct super_operations sockfs_ops = {
.alloc_inode = sock_alloc_inode,
.destroy_inode =sock_destroy_inode,
.statfs = simple_statfs,
.kill_sb = kill_anon_super,
};
-static int sockfs_delete_dentry(struct dentry *dentry)
-{
- /*
- * At creation time, we pretended this dentry was hashed
- * (by clearing DCACHE_UNHASHED bit in d_flags)
- * At delete time, we restore the truth : not hashed.
- * (so that dput() can proceed correctly)
- */
- dentry->d_flags |= DCACHE_UNHASHED;
- return 0;
-}
-
/*
* sockfs_dname() is called from d_path().
*/
}
static const struct dentry_operations sockfs_dentry_operations = {
- .d_delete = sockfs_delete_dentry,
.d_dname = sockfs_dname,
};
* but we take care of internal coherence yet.
*/
-static int sock_alloc_fd(struct file **filep, int flags)
+static int sock_alloc_file(struct socket *sock, struct file **f, int flags)
{
+ struct qstr name = { .name = "" };
+ struct path path;
+ struct file *file;
int fd;
fd = get_unused_fd_flags(flags);
- if (likely(fd >= 0)) {
- struct file *file = get_empty_filp();
-
- *filep = file;
- if (unlikely(!file)) {
- put_unused_fd(fd);
- return -ENFILE;
- }
- } else
- *filep = NULL;
- return fd;
-}
-
-static int sock_attach_fd(struct socket *sock, struct file *file, int flags)
-{
- struct dentry *dentry;
- struct qstr name = { .name = "" };
+ if (unlikely(fd < 0))
+ return fd;
- dentry = d_alloc(sock_mnt->mnt_sb->s_root, &name);
- if (unlikely(!dentry))
+ path.dentry = d_alloc(sock_mnt->mnt_sb->s_root, &name);
+ if (unlikely(!path.dentry)) {
+ put_unused_fd(fd);
return -ENOMEM;
+ }
+ path.mnt = mntget(sock_mnt);
- dentry->d_op = &sockfs_dentry_operations;
- /*
- * We dont want to push this dentry into global dentry hash table.
- * We pretend dentry is already hashed, by unsetting DCACHE_UNHASHED
- * This permits a working /proc/$pid/fd/XXX on sockets
- */
- dentry->d_flags &= ~DCACHE_UNHASHED;
- d_instantiate(dentry, SOCK_INODE(sock));
+ path.dentry->d_op = &sockfs_dentry_operations;
+ d_instantiate(path.dentry, SOCK_INODE(sock));
+ SOCK_INODE(sock)->i_fop = &socket_file_ops;
- sock->file = file;
- init_file(file, sock_mnt, dentry, FMODE_READ | FMODE_WRITE,
+ file = alloc_file(&path, FMODE_READ | FMODE_WRITE,
&socket_file_ops);
- SOCK_INODE(sock)->i_fop = &socket_file_ops;
+ if (unlikely(!file)) {
+ /* drop dentry, keep inode */
+ atomic_inc(&path.dentry->d_inode->i_count);
+ path_put(&path);
+ put_unused_fd(fd);
+ return -ENFILE;
+ }
+
+ sock->file = file;
file->f_flags = O_RDWR | (flags & O_NONBLOCK);
file->f_pos = 0;
file->private_data = sock;
- return 0;
+ *f = file;
+ return fd;
}
int sock_map_fd(struct socket *sock, int flags)
{
struct file *newfile;
- int fd = sock_alloc_fd(&newfile, flags);
-
- if (likely(fd >= 0)) {
- int err = sock_attach_fd(sock, newfile, flags);
+ int fd = sock_alloc_file(sock, &newfile, flags);
- if (unlikely(err < 0)) {
- put_filp(newfile);
- put_unused_fd(fd);
- return err;
- }
+ if (likely(fd >= 0))
fd_install(fd, newfile);
- }
+
return fd;
}
module_put(owner);
}
- if (sock->fasync_list)
+ if (sock->wq->fasync_list)
printk(KERN_ERR "sock_release: fasync list not empty!\n");
percpu_sub(sockets_in_use, 1);
struct sock_iocb *si = kiocb_to_siocb(iocb);
int err;
+ sock_update_classid(sock->sk);
+
si->sock = sock;
si->scm = NULL;
si->msg = msg;
put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMP,
sizeof(tv), &tv);
} else {
- struct timespec ts;
- skb_get_timestampns(skb, &ts);
+ skb_get_timestampns(skb, &ts[0]);
put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMPNS,
- sizeof(ts), &ts);
+ sizeof(ts[0]), &ts[0]);
}
}
EXPORT_SYMBOL_GPL(__sock_recv_timestamp);
-static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
- struct msghdr *msg, size_t size, int flags)
+inline void sock_recv_drops(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
+{
+ if (sock_flag(sk, SOCK_RXQ_OVFL) && skb && skb->dropcount)
+ put_cmsg(msg, SOL_SOCKET, SO_RXQ_OVFL,
+ sizeof(__u32), &skb->dropcount);
+}
+
+void __sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
+ struct sk_buff *skb)
+{
+ sock_recv_timestamp(msg, sk, skb);
+ sock_recv_drops(msg, sk, skb);
+}
+EXPORT_SYMBOL_GPL(__sock_recv_ts_and_drops);
+
+static inline int __sock_recvmsg_nosec(struct kiocb *iocb, struct socket *sock,
+ struct msghdr *msg, size_t size, int flags)
{
- int err;
struct sock_iocb *si = kiocb_to_siocb(iocb);
+ sock_update_classid(sock->sk);
+
si->sock = sock;
si->scm = NULL;
si->msg = msg;
si->size = size;
si->flags = flags;
- err = security_socket_recvmsg(sock, msg, size, flags);
- if (err)
- return err;
-
return sock->ops->recvmsg(iocb, sock, msg, size, flags);
}
+static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
+ struct msghdr *msg, size_t size, int flags)
+{
+ int err = security_socket_recvmsg(sock, msg, size, flags);
+
+ return err ?: __sock_recvmsg_nosec(iocb, sock, msg, size, flags);
+}
+
int sock_recvmsg(struct socket *sock, struct msghdr *msg,
size_t size, int flags)
{
return ret;
}
+static int sock_recvmsg_nosec(struct socket *sock, struct msghdr *msg,
+ size_t size, int flags)
+{
+ struct kiocb iocb;
+ struct sock_iocb siocb;
+ int ret;
+
+ init_sync_kiocb(&iocb, NULL);
+ iocb.private = &siocb;
+ ret = __sock_recvmsg_nosec(&iocb, sock, msg, size, flags);
+ if (-EIOCBQUEUED == ret)
+ ret = wait_on_sync_kiocb(&iocb);
+ return ret;
+}
+
int kernel_recvmsg(struct socket *sock, struct msghdr *msg,
struct kvec *vec, size_t num, size_t size, int flags)
{
if (unlikely(!sock->ops->splice_read))
return -EINVAL;
+ sock_update_classid(sock->sk);
+
return sock->ops->splice_read(sock, ppos, pipe, len, flags);
}
EXPORT_SYMBOL(dlci_ioctl_set);
+static long sock_do_ioctl(struct net *net, struct socket *sock,
+ unsigned int cmd, unsigned long arg)
+{
+ int err;
+ void __user *argp = (void __user *)arg;
+
+ err = sock->ops->ioctl(sock, cmd, arg);
+
+ /*
+ * If this ioctl is unknown try to hand it down
+ * to the NIC driver.
+ */
+ if (err == -ENOIOCTLCMD)
+ err = dev_ioctl(net, cmd, argp);
+
+ return err;
+}
+
/*
* With an ioctl, arg may well be a user mode pointer, but we don't know
* what to do with it - that's up to the protocol still.
if (cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) {
err = dev_ioctl(net, cmd, argp);
} else
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_WEXT_CORE
if (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST) {
err = dev_ioctl(net, cmd, argp);
} else
-#endif /* CONFIG_WIRELESS_EXT */
+#endif
switch (cmd) {
case FIOSETOWN:
case SIOCSPGRP:
mutex_unlock(&dlci_ioctl_mutex);
break;
default:
- err = sock->ops->ioctl(sock, cmd, arg);
-
- /*
- * If this ioctl is unknown try to hand it down
- * to the NIC driver.
- */
- if (err == -ENOIOCTLCMD)
- err = dev_ioctl(net, cmd, argp);
+ err = sock_do_ioctl(net, sock, cmd, arg);
break;
}
return err;
* 1. fasync_list is modified only under process context socket lock
* i.e. under semaphore.
* 2. fasync_list is used under read_lock(&sk->sk_callback_lock)
- * or under socket lock.
- * 3. fasync_list can be used from softirq context, so that
- * modification under socket lock have to be enhanced with
- * write_lock_bh(&sk->sk_callback_lock).
- * --ANK (990710)
+ * or under socket lock
*/
static int sock_fasync(int fd, struct file *filp, int on)
{
- struct fasync_struct *fa, *fna = NULL, **prev;
- struct socket *sock;
- struct sock *sk;
-
- if (on) {
- fna = kmalloc(sizeof(struct fasync_struct), GFP_KERNEL);
- if (fna == NULL)
- return -ENOMEM;
- }
-
- sock = filp->private_data;
+ struct socket *sock = filp->private_data;
+ struct sock *sk = sock->sk;
- sk = sock->sk;
- if (sk == NULL) {
- kfree(fna);
+ if (sk == NULL)
return -EINVAL;
- }
lock_sock(sk);
- spin_lock(&filp->f_lock);
- if (on)
- filp->f_flags |= FASYNC;
- else
- filp->f_flags &= ~FASYNC;
- spin_unlock(&filp->f_lock);
-
- prev = &(sock->fasync_list);
+ fasync_helper(fd, filp, on, &sock->wq->fasync_list);
- for (fa = *prev; fa != NULL; prev = &fa->fa_next, fa = *prev)
- if (fa->fa_file == filp)
- break;
-
- if (on) {
- if (fa != NULL) {
- write_lock_bh(&sk->sk_callback_lock);
- fa->fa_fd = fd;
- write_unlock_bh(&sk->sk_callback_lock);
-
- kfree(fna);
- goto out;
- }
- fna->fa_file = filp;
- fna->fa_fd = fd;
- fna->magic = FASYNC_MAGIC;
- fna->fa_next = sock->fasync_list;
- write_lock_bh(&sk->sk_callback_lock);
- sock->fasync_list = fna;
- write_unlock_bh(&sk->sk_callback_lock);
- } else {
- if (fa != NULL) {
- write_lock_bh(&sk->sk_callback_lock);
- *prev = fa->fa_next;
- write_unlock_bh(&sk->sk_callback_lock);
- kfree(fa);
- }
- }
+ if (!sock->wq->fasync_list)
+ sock_reset_flag(sk, SOCK_FASYNC);
+ else
+ sock_set_flag(sk, SOCK_FASYNC);
-out:
- release_sock(sock->sk);
+ release_sock(sk);
return 0;
}
-/* This function may be called only under socket lock or callback_lock */
+/* This function may be called only under socket lock or callback_lock or rcu_lock */
int sock_wake_async(struct socket *sock, int how, int band)
{
- if (!sock || !sock->fasync_list)
+ struct socket_wq *wq;
+
+ if (!sock)
+ return -1;
+ rcu_read_lock();
+ wq = rcu_dereference(sock->wq);
+ if (!wq || !wq->fasync_list) {
+ rcu_read_unlock();
return -1;
+ }
switch (how) {
case SOCK_WAKE_WAITD:
if (test_bit(SOCK_ASYNC_WAITDATA, &sock->flags))
/* fall through */
case SOCK_WAKE_IO:
call_kill:
- __kill_fasync(sock->fasync_list, SIGIO, band);
+ kill_fasync(&wq->fasync_list, SIGIO, band);
break;
case SOCK_WAKE_URG:
- __kill_fasync(sock->fasync_list, SIGURG, band);
+ kill_fasync(&wq->fasync_list, SIGURG, band);
}
+ rcu_read_unlock();
return 0;
}
/* Now protected by module ref count */
rcu_read_unlock();
- err = pf->create(net, sock, protocol);
+ err = pf->create(net, sock, protocol, kern);
if (err < 0)
goto out_module_put;
if (err < 0)
goto out_release_both;
- fd1 = sock_alloc_fd(&newfile1, flags & O_CLOEXEC);
+ fd1 = sock_alloc_file(sock1, &newfile1, flags);
if (unlikely(fd1 < 0)) {
err = fd1;
goto out_release_both;
}
- fd2 = sock_alloc_fd(&newfile2, flags & O_CLOEXEC);
+ fd2 = sock_alloc_file(sock2, &newfile2, flags);
if (unlikely(fd2 < 0)) {
err = fd2;
- put_filp(newfile1);
- put_unused_fd(fd1);
- goto out_release_both;
- }
-
- err = sock_attach_fd(sock1, newfile1, flags & O_NONBLOCK);
- if (unlikely(err < 0)) {
- goto out_fd2;
- }
-
- err = sock_attach_fd(sock2, newfile2, flags & O_NONBLOCK);
- if (unlikely(err < 0)) {
fput(newfile1);
- goto out_fd1;
+ put_unused_fd(fd1);
+ sock_release(sock2);
+ goto out;
}
audit_fd_pair(fd1, fd2);
sock_release(sock1);
out:
return err;
-
-out_fd2:
- put_filp(newfile1);
- sock_release(sock1);
-out_fd1:
- put_filp(newfile2);
- sock_release(sock2);
- put_unused_fd(fd1);
- put_unused_fd(fd2);
- goto out;
}
/*
*/
__module_get(newsock->ops->owner);
- newfd = sock_alloc_fd(&newfile, flags & O_CLOEXEC);
+ newfd = sock_alloc_file(newsock, &newfile, flags);
if (unlikely(newfd < 0)) {
err = newfd;
sock_release(newsock);
goto out_put;
}
- err = sock_attach_fd(newsock, newfile, flags & O_NONBLOCK);
- if (err < 0)
- goto out_fd_simple;
-
err = security_socket_accept(sock, newsock);
if (err)
goto out_fd;
fput_light(sock->file, fput_needed);
out:
return err;
-out_fd_simple:
- sock_release(newsock);
- put_filp(newfile);
- put_unused_fd(newfd);
- goto out_put;
out_fd:
fput(newfile);
put_unused_fd(newfd);
return err;
}
-/*
- * BSD recvmsg interface
- */
-
-SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
- unsigned int, flags)
+static int __sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
+ struct msghdr *msg_sys, unsigned flags, int nosec)
{
struct compat_msghdr __user *msg_compat =
(struct compat_msghdr __user *)msg;
- struct socket *sock;
struct iovec iovstack[UIO_FASTIOV];
struct iovec *iov = iovstack;
- struct msghdr msg_sys;
unsigned long cmsg_ptr;
int err, iov_size, total_len, len;
- int fput_needed;
/* kernel mode address */
struct sockaddr_storage addr;
int __user *uaddr_len;
if (MSG_CMSG_COMPAT & flags) {
- if (get_compat_msghdr(&msg_sys, msg_compat))
+ if (get_compat_msghdr(msg_sys, msg_compat))
return -EFAULT;
}
- else if (copy_from_user(&msg_sys, msg, sizeof(struct msghdr)))
+ else if (copy_from_user(msg_sys, msg, sizeof(struct msghdr)))
return -EFAULT;
- sock = sockfd_lookup_light(fd, &err, &fput_needed);
- if (!sock)
- goto out;
-
err = -EMSGSIZE;
- if (msg_sys.msg_iovlen > UIO_MAXIOV)
- goto out_put;
+ if (msg_sys->msg_iovlen > UIO_MAXIOV)
+ goto out;
/* Check whether to allocate the iovec area */
err = -ENOMEM;
- iov_size = msg_sys.msg_iovlen * sizeof(struct iovec);
- if (msg_sys.msg_iovlen > UIO_FASTIOV) {
+ iov_size = msg_sys->msg_iovlen * sizeof(struct iovec);
+ if (msg_sys->msg_iovlen > UIO_FASTIOV) {
iov = sock_kmalloc(sock->sk, iov_size, GFP_KERNEL);
if (!iov)
- goto out_put;
+ goto out;
}
/*
* kernel msghdr to use the kernel address space)
*/
- uaddr = (__force void __user *)msg_sys.msg_name;
+ uaddr = (__force void __user *)msg_sys->msg_name;
uaddr_len = COMPAT_NAMELEN(msg);
if (MSG_CMSG_COMPAT & flags) {
- err = verify_compat_iovec(&msg_sys, iov,
+ err = verify_compat_iovec(msg_sys, iov,
(struct sockaddr *)&addr,
VERIFY_WRITE);
} else
- err = verify_iovec(&msg_sys, iov,
+ err = verify_iovec(msg_sys, iov,
(struct sockaddr *)&addr,
VERIFY_WRITE);
if (err < 0)
goto out_freeiov;
total_len = err;
- cmsg_ptr = (unsigned long)msg_sys.msg_control;
- msg_sys.msg_flags = flags & (MSG_CMSG_CLOEXEC|MSG_CMSG_COMPAT);
+ cmsg_ptr = (unsigned long)msg_sys->msg_control;
+ msg_sys->msg_flags = flags & (MSG_CMSG_CLOEXEC|MSG_CMSG_COMPAT);
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
- err = sock_recvmsg(sock, &msg_sys, total_len, flags);
+ err = (nosec ? sock_recvmsg_nosec : sock_recvmsg)(sock, msg_sys,
+ total_len, flags);
if (err < 0)
goto out_freeiov;
len = err;
if (uaddr != NULL) {
err = move_addr_to_user((struct sockaddr *)&addr,
- msg_sys.msg_namelen, uaddr,
+ msg_sys->msg_namelen, uaddr,
uaddr_len);
if (err < 0)
goto out_freeiov;
}
- err = __put_user((msg_sys.msg_flags & ~MSG_CMSG_COMPAT),
+ err = __put_user((msg_sys->msg_flags & ~MSG_CMSG_COMPAT),
COMPAT_FLAGS(msg));
if (err)
goto out_freeiov;
if (MSG_CMSG_COMPAT & flags)
- err = __put_user((unsigned long)msg_sys.msg_control - cmsg_ptr,
+ err = __put_user((unsigned long)msg_sys->msg_control - cmsg_ptr,
&msg_compat->msg_controllen);
else
- err = __put_user((unsigned long)msg_sys.msg_control - cmsg_ptr,
+ err = __put_user((unsigned long)msg_sys->msg_control - cmsg_ptr,
&msg->msg_controllen);
if (err)
goto out_freeiov;
out_freeiov:
if (iov != iovstack)
sock_kfree_s(sock->sk, iov, iov_size);
-out_put:
+out:
+ return err;
+}
+
+/*
+ * BSD recvmsg interface
+ */
+
+SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
+ unsigned int, flags)
+{
+ int fput_needed, err;
+ struct msghdr msg_sys;
+ struct socket *sock = sockfd_lookup_light(fd, &err, &fput_needed);
+
+ if (!sock)
+ goto out;
+
+ err = __sys_recvmsg(sock, msg, &msg_sys, flags, 0);
+
fput_light(sock->file, fput_needed);
out:
return err;
}
-#ifdef __ARCH_WANT_SYS_SOCKETCALL
+/*
+ * Linux recvmmsg interface
+ */
+
+int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
+ unsigned int flags, struct timespec *timeout)
+{
+ int fput_needed, err, datagrams;
+ struct socket *sock;
+ struct mmsghdr __user *entry;
+ struct compat_mmsghdr __user *compat_entry;
+ struct msghdr msg_sys;
+ struct timespec end_time;
+
+ if (timeout &&
+ poll_select_set_timeout(&end_time, timeout->tv_sec,
+ timeout->tv_nsec))
+ return -EINVAL;
+
+ datagrams = 0;
+
+ sock = sockfd_lookup_light(fd, &err, &fput_needed);
+ if (!sock)
+ return err;
+
+ err = sock_error(sock->sk);
+ if (err)
+ goto out_put;
+ entry = mmsg;
+ compat_entry = (struct compat_mmsghdr __user *)mmsg;
+
+ while (datagrams < vlen) {
+ /*
+ * No need to ask LSM for more than the first datagram.
+ */
+ if (MSG_CMSG_COMPAT & flags) {
+ err = __sys_recvmsg(sock, (struct msghdr __user *)compat_entry,
+ &msg_sys, flags, datagrams);
+ if (err < 0)
+ break;
+ err = __put_user(err, &compat_entry->msg_len);
+ ++compat_entry;
+ } else {
+ err = __sys_recvmsg(sock, (struct msghdr __user *)entry,
+ &msg_sys, flags, datagrams);
+ if (err < 0)
+ break;
+ err = put_user(err, &entry->msg_len);
+ ++entry;
+ }
+
+ if (err)
+ break;
+ ++datagrams;
+
+ /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */
+ if (flags & MSG_WAITFORONE)
+ flags |= MSG_DONTWAIT;
+
+ if (timeout) {
+ ktime_get_ts(timeout);
+ *timeout = timespec_sub(end_time, *timeout);
+ if (timeout->tv_sec < 0) {
+ timeout->tv_sec = timeout->tv_nsec = 0;
+ break;
+ }
+
+ /* Timeout, return less than vlen datagrams */
+ if (timeout->tv_nsec == 0 && timeout->tv_sec == 0)
+ break;
+ }
+
+ /* Out of band data, return right away */
+ if (msg_sys.msg_flags & MSG_OOB)
+ break;
+ }
+
+out_put:
+ fput_light(sock->file, fput_needed);
+
+ if (err == 0)
+ return datagrams;
+
+ if (datagrams != 0) {
+ /*
+ * We may return less entries than requested (vlen) if the
+ * sock is non block and there aren't enough datagrams...
+ */
+ if (err != -EAGAIN) {
+ /*
+ * ... or if recvmsg returns an error after we
+ * received some datagrams, where we record the
+ * error to return on the next call or if the
+ * app asks about it using getsockopt(SO_ERROR).
+ */
+ sock->sk->sk_err = -err;
+ }
+
+ return datagrams;
+ }
+
+ return err;
+}
+
+SYSCALL_DEFINE5(recvmmsg, int, fd, struct mmsghdr __user *, mmsg,
+ unsigned int, vlen, unsigned int, flags,
+ struct timespec __user *, timeout)
+{
+ int datagrams;
+ struct timespec timeout_sys;
+
+ if (!timeout)
+ return __sys_recvmmsg(fd, mmsg, vlen, flags, NULL);
+
+ if (copy_from_user(&timeout_sys, timeout, sizeof(timeout_sys)))
+ return -EFAULT;
+
+ datagrams = __sys_recvmmsg(fd, mmsg, vlen, flags, &timeout_sys);
+
+ if (datagrams > 0 &&
+ copy_to_user(timeout, &timeout_sys, sizeof(timeout_sys)))
+ datagrams = -EFAULT;
+
+ return datagrams;
+}
+
+#ifdef __ARCH_WANT_SYS_SOCKETCALL
/* Argument list sizes for sys_socketcall */
#define AL(x) ((x) * sizeof(unsigned long))
-static const unsigned char nargs[19]={
+static const unsigned char nargs[20] = {
AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
AL(3),AL(3),AL(4),AL(4),AL(4),AL(6),
AL(6),AL(2),AL(5),AL(5),AL(3),AL(3),
- AL(4)
+ AL(4),AL(5)
};
#undef AL
unsigned long a[6];
unsigned long a0, a1;
int err;
+ unsigned int len;
- if (call < 1 || call > SYS_ACCEPT4)
+ if (call < 1 || call > SYS_RECVMMSG)
+ return -EINVAL;
+
+ len = nargs[call];
+ if (len > sizeof(a))
return -EINVAL;
/* copy_from_user should be SMP safe. */
- if (copy_from_user(a, args, nargs[call]))
+ if (copy_from_user(a, args, len))
return -EFAULT;
audit_socketcall(nargs[call] / sizeof(unsigned long), a);
case SYS_RECVMSG:
err = sys_recvmsg(a0, (struct msghdr __user *)a1, a[2]);
break;
+ case SYS_RECVMMSG:
+ err = sys_recvmmsg(a0, (struct mmsghdr __user *)a1, a[2], a[3],
+ (struct timespec __user *)a[4]);
+ break;
case SYS_ACCEPT4:
err = sys_accept4(a0, (struct sockaddr __user *)a1,
(int __user *)a[2], a[3]);
#endif /* CONFIG_PROC_FS */
#ifdef CONFIG_COMPAT
+static int do_siocgstamp(struct net *net, struct socket *sock,
+ unsigned int cmd, struct compat_timeval __user *up)
+{
+ mm_segment_t old_fs = get_fs();
+ struct timeval ktv;
+ int err;
+
+ set_fs(KERNEL_DS);
+ err = sock_do_ioctl(net, sock, cmd, (unsigned long)&ktv);
+ set_fs(old_fs);
+ if (!err) {
+ err = put_user(ktv.tv_sec, &up->tv_sec);
+ err |= __put_user(ktv.tv_usec, &up->tv_usec);
+ }
+ return err;
+}
+
+static int do_siocgstampns(struct net *net, struct socket *sock,
+ unsigned int cmd, struct compat_timespec __user *up)
+{
+ mm_segment_t old_fs = get_fs();
+ struct timespec kts;
+ int err;
+
+ set_fs(KERNEL_DS);
+ err = sock_do_ioctl(net, sock, cmd, (unsigned long)&kts);
+ set_fs(old_fs);
+ if (!err) {
+ err = put_user(kts.tv_sec, &up->tv_sec);
+ err |= __put_user(kts.tv_nsec, &up->tv_nsec);
+ }
+ return err;
+}
+
+static int dev_ifname32(struct net *net, struct compat_ifreq __user *uifr32)
+{
+ struct ifreq __user *uifr;
+ int err;
+
+ uifr = compat_alloc_user_space(sizeof(struct ifreq));
+ if (copy_in_user(uifr, uifr32, sizeof(struct compat_ifreq)))
+ return -EFAULT;
+
+ err = dev_ioctl(net, SIOCGIFNAME, uifr);
+ if (err)
+ return err;
+
+ if (copy_in_user(uifr32, uifr, sizeof(struct compat_ifreq)))
+ return -EFAULT;
+
+ return 0;
+}
+
+static int dev_ifconf(struct net *net, struct compat_ifconf __user *uifc32)
+{
+ struct compat_ifconf ifc32;
+ struct ifconf ifc;
+ struct ifconf __user *uifc;
+ struct compat_ifreq __user *ifr32;
+ struct ifreq __user *ifr;
+ unsigned int i, j;
+ int err;
+
+ if (copy_from_user(&ifc32, uifc32, sizeof(struct compat_ifconf)))
+ return -EFAULT;
+
+ if (ifc32.ifcbuf == 0) {
+ ifc32.ifc_len = 0;
+ ifc.ifc_len = 0;
+ ifc.ifc_req = NULL;
+ uifc = compat_alloc_user_space(sizeof(struct ifconf));
+ } else {
+ size_t len =((ifc32.ifc_len / sizeof (struct compat_ifreq)) + 1) *
+ sizeof (struct ifreq);
+ uifc = compat_alloc_user_space(sizeof(struct ifconf) + len);
+ ifc.ifc_len = len;
+ ifr = ifc.ifc_req = (void __user *)(uifc + 1);
+ ifr32 = compat_ptr(ifc32.ifcbuf);
+ for (i = 0; i < ifc32.ifc_len; i += sizeof (struct compat_ifreq)) {
+ if (copy_in_user(ifr, ifr32, sizeof(struct compat_ifreq)))
+ return -EFAULT;
+ ifr++;
+ ifr32++;
+ }
+ }
+ if (copy_to_user(uifc, &ifc, sizeof(struct ifconf)))
+ return -EFAULT;
+
+ err = dev_ioctl(net, SIOCGIFCONF, uifc);
+ if (err)
+ return err;
+
+ if (copy_from_user(&ifc, uifc, sizeof(struct ifconf)))
+ return -EFAULT;
+
+ ifr = ifc.ifc_req;
+ ifr32 = compat_ptr(ifc32.ifcbuf);
+ for (i = 0, j = 0;
+ i + sizeof (struct compat_ifreq) <= ifc32.ifc_len && j < ifc.ifc_len;
+ i += sizeof (struct compat_ifreq), j += sizeof (struct ifreq)) {
+ if (copy_in_user(ifr32, ifr, sizeof (struct compat_ifreq)))
+ return -EFAULT;
+ ifr32++;
+ ifr++;
+ }
+
+ if (ifc32.ifcbuf == 0) {
+ /* Translate from 64-bit structure multiple to
+ * a 32-bit one.
+ */
+ i = ifc.ifc_len;
+ i = ((i / sizeof(struct ifreq)) * sizeof(struct compat_ifreq));
+ ifc32.ifc_len = i;
+ } else {
+ ifc32.ifc_len = i;
+ }
+ if (copy_to_user(uifc32, &ifc32, sizeof(struct compat_ifconf)))
+ return -EFAULT;
+
+ return 0;
+}
+
+static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
+{
+ struct ifreq __user *ifr;
+ u32 data;
+ void __user *datap;
+
+ ifr = compat_alloc_user_space(sizeof(*ifr));
+
+ if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
+ return -EFAULT;
+
+ if (get_user(data, &ifr32->ifr_ifru.ifru_data))
+ return -EFAULT;
+
+ datap = compat_ptr(data);
+ if (put_user(datap, &ifr->ifr_ifru.ifru_data))
+ return -EFAULT;
+
+ return dev_ioctl(net, SIOCETHTOOL, ifr);
+}
+
+static int compat_siocwandev(struct net *net, struct compat_ifreq __user *uifr32)
+{
+ void __user *uptr;
+ compat_uptr_t uptr32;
+ struct ifreq __user *uifr;
+
+ uifr = compat_alloc_user_space(sizeof (*uifr));
+ if (copy_in_user(uifr, uifr32, sizeof(struct compat_ifreq)))
+ return -EFAULT;
+
+ if (get_user(uptr32, &uifr32->ifr_settings.ifs_ifsu))
+ return -EFAULT;
+
+ uptr = compat_ptr(uptr32);
+
+ if (put_user(uptr, &uifr->ifr_settings.ifs_ifsu.raw_hdlc))
+ return -EFAULT;
+
+ return dev_ioctl(net, SIOCWANDEV, uifr);
+}
+
+static int bond_ioctl(struct net *net, unsigned int cmd,
+ struct compat_ifreq __user *ifr32)
+{
+ struct ifreq kifr;
+ struct ifreq __user *uifr;
+ mm_segment_t old_fs;
+ int err;
+ u32 data;
+ void __user *datap;
+
+ switch (cmd) {
+ case SIOCBONDENSLAVE:
+ case SIOCBONDRELEASE:
+ case SIOCBONDSETHWADDR:
+ case SIOCBONDCHANGEACTIVE:
+ if (copy_from_user(&kifr, ifr32, sizeof(struct compat_ifreq)))
+ return -EFAULT;
+
+ old_fs = get_fs();
+ set_fs (KERNEL_DS);
+ err = dev_ioctl(net, cmd, &kifr);
+ set_fs (old_fs);
+
+ return err;
+ case SIOCBONDSLAVEINFOQUERY:
+ case SIOCBONDINFOQUERY:
+ uifr = compat_alloc_user_space(sizeof(*uifr));
+ if (copy_in_user(&uifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
+ return -EFAULT;
+
+ if (get_user(data, &ifr32->ifr_ifru.ifru_data))
+ return -EFAULT;
+
+ datap = compat_ptr(data);
+ if (put_user(datap, &uifr->ifr_ifru.ifru_data))
+ return -EFAULT;
+
+ return dev_ioctl(net, cmd, uifr);
+ default:
+ return -EINVAL;
+ }
+}
+
+static int siocdevprivate_ioctl(struct net *net, unsigned int cmd,
+ struct compat_ifreq __user *u_ifreq32)
+{
+ struct ifreq __user *u_ifreq64;
+ char tmp_buf[IFNAMSIZ];
+ void __user *data64;
+ u32 data32;
+
+ if (copy_from_user(&tmp_buf[0], &(u_ifreq32->ifr_ifrn.ifrn_name[0]),
+ IFNAMSIZ))
+ return -EFAULT;
+ if (__get_user(data32, &u_ifreq32->ifr_ifru.ifru_data))
+ return -EFAULT;
+ data64 = compat_ptr(data32);
+
+ u_ifreq64 = compat_alloc_user_space(sizeof(*u_ifreq64));
+
+ /* Don't check these user accesses, just let that get trapped
+ * in the ioctl handler instead.
+ */
+ if (copy_to_user(&u_ifreq64->ifr_ifrn.ifrn_name[0], &tmp_buf[0],
+ IFNAMSIZ))
+ return -EFAULT;
+ if (__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data))
+ return -EFAULT;
+
+ return dev_ioctl(net, cmd, u_ifreq64);
+}
+
+static int dev_ifsioc(struct net *net, struct socket *sock,
+ unsigned int cmd, struct compat_ifreq __user *uifr32)
+{
+ struct ifreq __user *uifr;
+ int err;
+
+ uifr = compat_alloc_user_space(sizeof(*uifr));
+ if (copy_in_user(uifr, uifr32, sizeof(*uifr32)))
+ return -EFAULT;
+
+ err = sock_do_ioctl(net, sock, cmd, (unsigned long)uifr);
+
+ if (!err) {
+ switch (cmd) {
+ case SIOCGIFFLAGS:
+ case SIOCGIFMETRIC:
+ case SIOCGIFMTU:
+ case SIOCGIFMEM:
+ case SIOCGIFHWADDR:
+ case SIOCGIFINDEX:
+ case SIOCGIFADDR:
+ case SIOCGIFBRDADDR:
+ case SIOCGIFDSTADDR:
+ case SIOCGIFNETMASK:
+ case SIOCGIFPFLAGS:
+ case SIOCGIFTXQLEN:
+ case SIOCGMIIPHY:
+ case SIOCGMIIREG:
+ if (copy_in_user(uifr32, uifr, sizeof(*uifr32)))
+ err = -EFAULT;
+ break;
+ }
+ }
+ return err;
+}
+
+static int compat_sioc_ifmap(struct net *net, unsigned int cmd,
+ struct compat_ifreq __user *uifr32)
+{
+ struct ifreq ifr;
+ struct compat_ifmap __user *uifmap32;
+ mm_segment_t old_fs;
+ int err;
+
+ uifmap32 = &uifr32->ifr_ifru.ifru_map;
+ err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name));
+ err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
+ err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
+ err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
+ err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq);
+ err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma);
+ err |= __get_user(ifr.ifr_map.port, &uifmap32->port);
+ if (err)
+ return -EFAULT;
+
+ old_fs = get_fs();
+ set_fs (KERNEL_DS);
+ err = dev_ioctl(net, cmd, (void __user *)&ifr);
+ set_fs (old_fs);
+
+ if (cmd == SIOCGIFMAP && !err) {
+ err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name));
+ err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
+ err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
+ err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
+ err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq);
+ err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma);
+ err |= __put_user(ifr.ifr_map.port, &uifmap32->port);
+ if (err)
+ err = -EFAULT;
+ }
+ return err;
+}
+
+static int compat_siocshwtstamp(struct net *net, struct compat_ifreq __user *uifr32)
+{
+ void __user *uptr;
+ compat_uptr_t uptr32;
+ struct ifreq __user *uifr;
+
+ uifr = compat_alloc_user_space(sizeof (*uifr));
+ if (copy_in_user(uifr, uifr32, sizeof(struct compat_ifreq)))
+ return -EFAULT;
+
+ if (get_user(uptr32, &uifr32->ifr_data))
+ return -EFAULT;
+
+ uptr = compat_ptr(uptr32);
+
+ if (put_user(uptr, &uifr->ifr_data))
+ return -EFAULT;
+
+ return dev_ioctl(net, SIOCSHWTSTAMP, uifr);
+}
+
+struct rtentry32 {
+ u32 rt_pad1;
+ struct sockaddr rt_dst; /* target address */
+ struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */
+ struct sockaddr rt_genmask; /* target network mask (IP) */
+ unsigned short rt_flags;
+ short rt_pad2;
+ u32 rt_pad3;
+ unsigned char rt_tos;
+ unsigned char rt_class;
+ short rt_pad4;
+ short rt_metric; /* +1 for binary compatibility! */
+ /* char * */ u32 rt_dev; /* forcing the device at add */
+ u32 rt_mtu; /* per route MTU/Window */
+ u32 rt_window; /* Window clamping */
+ unsigned short rt_irtt; /* Initial RTT */
+};
+
+struct in6_rtmsg32 {
+ struct in6_addr rtmsg_dst;
+ struct in6_addr rtmsg_src;
+ struct in6_addr rtmsg_gateway;
+ u32 rtmsg_type;
+ u16 rtmsg_dst_len;
+ u16 rtmsg_src_len;
+ u32 rtmsg_metric;
+ u32 rtmsg_info;
+ u32 rtmsg_flags;
+ s32 rtmsg_ifindex;
+};
+
+static int routing_ioctl(struct net *net, struct socket *sock,
+ unsigned int cmd, void __user *argp)
+{
+ int ret;
+ void *r = NULL;
+ struct in6_rtmsg r6;
+ struct rtentry r4;
+ char devname[16];
+ u32 rtdev;
+ mm_segment_t old_fs = get_fs();
+
+ if (sock && sock->sk && sock->sk->sk_family == AF_INET6) { /* ipv6 */
+ struct in6_rtmsg32 __user *ur6 = argp;
+ ret = copy_from_user (&r6.rtmsg_dst, &(ur6->rtmsg_dst),
+ 3 * sizeof(struct in6_addr));
+ ret |= __get_user (r6.rtmsg_type, &(ur6->rtmsg_type));
+ ret |= __get_user (r6.rtmsg_dst_len, &(ur6->rtmsg_dst_len));
+ ret |= __get_user (r6.rtmsg_src_len, &(ur6->rtmsg_src_len));
+ ret |= __get_user (r6.rtmsg_metric, &(ur6->rtmsg_metric));
+ ret |= __get_user (r6.rtmsg_info, &(ur6->rtmsg_info));
+ ret |= __get_user (r6.rtmsg_flags, &(ur6->rtmsg_flags));
+ ret |= __get_user (r6.rtmsg_ifindex, &(ur6->rtmsg_ifindex));
+
+ r = (void *) &r6;
+ } else { /* ipv4 */
+ struct rtentry32 __user *ur4 = argp;
+ ret = copy_from_user (&r4.rt_dst, &(ur4->rt_dst),
+ 3 * sizeof(struct sockaddr));
+ ret |= __get_user (r4.rt_flags, &(ur4->rt_flags));
+ ret |= __get_user (r4.rt_metric, &(ur4->rt_metric));
+ ret |= __get_user (r4.rt_mtu, &(ur4->rt_mtu));
+ ret |= __get_user (r4.rt_window, &(ur4->rt_window));
+ ret |= __get_user (r4.rt_irtt, &(ur4->rt_irtt));
+ ret |= __get_user (rtdev, &(ur4->rt_dev));
+ if (rtdev) {
+ ret |= copy_from_user (devname, compat_ptr(rtdev), 15);
+ r4.rt_dev = devname; devname[15] = 0;
+ } else
+ r4.rt_dev = NULL;
+
+ r = (void *) &r4;
+ }
+
+ if (ret) {
+ ret = -EFAULT;
+ goto out;
+ }
+
+ set_fs (KERNEL_DS);
+ ret = sock_do_ioctl(net, sock, cmd, (unsigned long) r);
+ set_fs (old_fs);
+
+out:
+ return ret;
+}
+
+/* Since old style bridge ioctl's endup using SIOCDEVPRIVATE
+ * for some operations; this forces use of the newer bridge-utils that
+ * use compatiable ioctls
+ */
+static int old_bridge_ioctl(compat_ulong_t __user *argp)
+{
+ compat_ulong_t tmp;
+
+ if (get_user(tmp, argp))
+ return -EFAULT;
+ if (tmp == BRCTL_GET_VERSION)
+ return BRCTL_VERSION + 1;
+ return -EINVAL;
+}
+
+static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
+ unsigned int cmd, unsigned long arg)
+{
+ void __user *argp = compat_ptr(arg);
+ struct sock *sk = sock->sk;
+ struct net *net = sock_net(sk);
+
+ if (cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15))
+ return siocdevprivate_ioctl(net, cmd, argp);
+
+ switch (cmd) {
+ case SIOCSIFBR:
+ case SIOCGIFBR:
+ return old_bridge_ioctl(argp);
+ case SIOCGIFNAME:
+ return dev_ifname32(net, argp);
+ case SIOCGIFCONF:
+ return dev_ifconf(net, argp);
+ case SIOCETHTOOL:
+ return ethtool_ioctl(net, argp);
+ case SIOCWANDEV:
+ return compat_siocwandev(net, argp);
+ case SIOCGIFMAP:
+ case SIOCSIFMAP:
+ return compat_sioc_ifmap(net, cmd, argp);
+ case SIOCBONDENSLAVE:
+ case SIOCBONDRELEASE:
+ case SIOCBONDSETHWADDR:
+ case SIOCBONDSLAVEINFOQUERY:
+ case SIOCBONDINFOQUERY:
+ case SIOCBONDCHANGEACTIVE:
+ return bond_ioctl(net, cmd, argp);
+ case SIOCADDRT:
+ case SIOCDELRT:
+ return routing_ioctl(net, sock, cmd, argp);
+ case SIOCGSTAMP:
+ return do_siocgstamp(net, sock, cmd, argp);
+ case SIOCGSTAMPNS:
+ return do_siocgstampns(net, sock, cmd, argp);
+ case SIOCSHWTSTAMP:
+ return compat_siocshwtstamp(net, argp);
+
+ case FIOSETOWN:
+ case SIOCSPGRP:
+ case FIOGETOWN:
+ case SIOCGPGRP:
+ case SIOCBRADDBR:
+ case SIOCBRDELBR:
+ case SIOCGIFVLAN:
+ case SIOCSIFVLAN:
+ case SIOCADDDLCI:
+ case SIOCDELDLCI:
+ return sock_ioctl(file, cmd, arg);
+
+ case SIOCGIFFLAGS:
+ case SIOCSIFFLAGS:
+ case SIOCGIFMETRIC:
+ case SIOCSIFMETRIC:
+ case SIOCGIFMTU:
+ case SIOCSIFMTU:
+ case SIOCGIFMEM:
+ case SIOCSIFMEM:
+ case SIOCGIFHWADDR:
+ case SIOCSIFHWADDR:
+ case SIOCADDMULTI:
+ case SIOCDELMULTI:
+ case SIOCGIFINDEX:
+ case SIOCGIFADDR:
+ case SIOCSIFADDR:
+ case SIOCSIFHWBROADCAST:
+ case SIOCDIFADDR:
+ case SIOCGIFBRDADDR:
+ case SIOCSIFBRDADDR:
+ case SIOCGIFDSTADDR:
+ case SIOCSIFDSTADDR:
+ case SIOCGIFNETMASK:
+ case SIOCSIFNETMASK:
+ case SIOCSIFPFLAGS:
+ case SIOCGIFPFLAGS:
+ case SIOCGIFTXQLEN:
+ case SIOCSIFTXQLEN:
+ case SIOCBRADDIF:
+ case SIOCBRDELIF:
+ case SIOCSIFNAME:
+ case SIOCGMIIPHY:
+ case SIOCGMIIREG:
+ case SIOCSMIIREG:
+ return dev_ifsioc(net, sock, cmd, argp);
+
+ case SIOCSARP:
+ case SIOCGARP:
+ case SIOCDARP:
+ case SIOCATMARK:
+ return sock_do_ioctl(net, sock, cmd, arg);
+ }
+
+ /* Prevent warning from compat_sys_ioctl, these always
+ * result in -EINVAL in the native case anyway. */
+ switch (cmd) {
+ case SIOCRTMSG:
+ case SIOCGIFCOUNT:
+ case SIOCSRARP:
+ case SIOCGRARP:
+ case SIOCDRARP:
+ case SIOCSIFLINK:
+ case SIOCGIFSLAVE:
+ case SIOCSIFSLAVE:
+ return -EINVAL;
+ }
+
+ return -ENOIOCTLCMD;
+}
+
static long compat_sock_ioctl(struct file *file, unsigned cmd,
unsigned long arg)
{
(cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST))
ret = compat_wext_handle_ioctl(net, cmd, arg);
+ if (ret == -ENOIOCTLCMD)
+ ret = compat_sock_ioctl_trans(file, sock, cmd, arg);
+
return ret;
}
#endif
}
int kernel_setsockopt(struct socket *sock, int level, int optname,
- char *optval, int optlen)
+ char *optval, unsigned int optlen)
{
mm_segment_t oldfs = get_fs();
int err;
int kernel_sendpage(struct socket *sock, struct page *page, int offset,
size_t size, int flags)
{
+ sock_update_classid(sock->sk);
+
if (sock->ops->sendpage)
return sock->ops->sendpage(sock, page, offset, size, flags);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff