VFS: net/unix: d_backing_inode() annotations

places where we are dealing with S_ISSOCK file creation/lookups.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 8b8f5e6..5266ea7 100644 (file)
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -305,7 +305,7 @@ static struct sock *unix_find_socket_byinode(struct inode *i)
                    &unix_socket_table[i->i_ino & (UNIX_HASH_SIZE - 1)]) {
                struct dentry *dentry = unix_sk(s)->path.dentry;
 
-               if (dentry && dentry->d_inode == i) {
+               if (dentry && d_backing_inode(dentry) == i) {
                        sock_hold(s);
                        goto found;
                }
@@ -778,7 +778,7 @@ static struct sock *unix_find_other(struct net *net,
                err = kern_path(sunname->sun_path, LOOKUP_FOLLOW, &path);
                if (err)
                        goto fail;
-               inode = path.dentry->d_inode;
+               inode = d_backing_inode(path.dentry);
                err = inode_permission(inode, MAY_WRITE);
                if (err)
                        goto put_fail;
@@ -905,7 +905,7 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
                        goto out_up;
                }
                addr->hash = UNIX_HASH_SIZE;
-               hash = path.dentry->d_inode->i_ino & (UNIX_HASH_SIZE-1);
+               hash = d_backing_inode(path.dentry)->i_ino & (UNIX_HASH_SIZE-1);
                spin_lock(&unix_table_lock);
                u->path = path;
                list = &unix_socket_table[hash];

diff --git a/net/unix/diag.c b/net/unix/diag.c
index ef542fb..c512f64 100644 (file)
--- a/net/unix/diag.c
+++ b/net/unix/diag.c
@@ -25,7 +25,7 @@ static int sk_diag_dump_vfs(struct sock *sk, struct sk_buff *nlskb)
 
        if (dentry) {
                struct unix_diag_vfs uv = {
-                       .udiag_vfs_ino = dentry->d_inode->i_ino,
+                       .udiag_vfs_ino = d_backing_inode(dentry)->i_ino,
                        .udiag_vfs_dev = dentry->d_sb->s_dev,
                };