[PATCH] VFS: Permit filesystem to override root dentry on mount

[linux.git] / net / socket.c

diff --git a/net/socket.c b/net/socket.c
index b807f360e02ccc336ad45f606feb92506b21af77..565f5e8d11913c797500a517c03835eee6e15ff9 100644 (file)
--- a/net/socket.c
+++ b/net/socket.c
@@ -119,10 +119,6 @@ static ssize_t sock_writev(struct file *file, const struct iovec *vector,
 static ssize_t sock_sendpage(struct file *file, struct page *page,
                             int offset, size_t size, loff_t *ppos, int more);
 
-extern ssize_t generic_splice_sendpage(struct inode *inode, struct file *out,
-                               size_t len, unsigned int flags);
-
-
 /*
  *     Socket files have a set of 'special' operations as well as the generic file ones. These don't appear
  *     in the operation structures but are done directly via the socketcall() multiplexor.
@@ -271,6 +267,8 @@ int move_addr_to_user(void *kaddr, int klen, void __user *uaddr, int __user *ule
                return -EINVAL;
        if(len)
        {
+               if (audit_sockaddr(klen, kaddr))
+                       return -ENOMEM;
                if(copy_to_user(uaddr,kaddr,len))
                        return -EFAULT;
        }
@@ -337,10 +335,11 @@ static struct super_operations sockfs_ops = {
        .statfs =       simple_statfs,
 };
 
-static struct super_block *sockfs_get_sb(struct file_system_type *fs_type,
-       int flags, const char *dev_name, void *data)
+static int sockfs_get_sb(struct file_system_type *fs_type,
+       int flags, const char *dev_name, void *data, struct vfsmount *mnt)
 {
-       return get_sb_pseudo(fs_type, "socket:", &sockfs_ops, SOCKFS_MAGIC);
+       return get_sb_pseudo(fs_type, "socket:", &sockfs_ops, SOCKFS_MAGIC,
+                            mnt);
 }
 
 static struct vfsmount *sock_mnt __read_mostly;
@@ -494,6 +493,7 @@ static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed)
        struct file *file;
        struct socket *sock;
 
+       *err = -EBADF;
        file = fget_light(fd, fput_needed);
        if (file) {
                sock = sock_from_file(file, err);
@@ -2136,7 +2136,7 @@ void socket_seq_show(struct seq_file *seq)
        int cpu;
        int counter = 0;
 
-       for_each_cpu(cpu)
+       for_each_possible_cpu(cpu)
                counter += per_cpu(sockets_in_use, cpu);
 
        /* It can be negative, by the way. 8) */