new helper: file_inode(file)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index 1acdad7..c41e029 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -525,7 +525,7 @@
 	if (!ncp_filp)
 		goto out;
 	error = -ENOTSOCK;
-	sock_inode = ncp_filp->f_path.dentry->d_inode;
+	sock_inode = file_inode(ncp_filp);
 	if (!S_ISSOCK(sock_inode->i_mode))
 		goto out_fput;
 	sock = SOCKET_I(sock_inode);
@@ -564,7 +564,7 @@
 		if (!server->info_filp)
 			goto out_bdi;
 		error = -ENOTSOCK;
-		sock_inode = server->info_filp->f_path.dentry->d_inode;
+		sock_inode = file_inode(server->info_filp);
 		if (!S_ISSOCK(sock_inode->i_mode))
 			goto out_fput2;
 		info_sock = SOCKET_I(sock_inode);
diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c
index 6958adf..5c1e926 100644
--- a/fs/ncpfs/ioctl.c
+++ b/fs/ncpfs/ioctl.c
@@ -808,7 +808,7 @@
 
 long ncp_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct ncp_server *server = NCP_SERVER(inode);
 	uid_t uid = current_uid();
 	int need_drop_write = 0;
diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c
index 63d14a9..ee24df5 100644
--- a/fs/ncpfs/mmap.c
+++ b/fs/ncpfs/mmap.c
@@ -105,7 +105,7 @@
 /* This is used for a general mmap of a ncp file */
 int ncp_mmap(struct file *file, struct vm_area_struct *vma)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	
 	DPRINTK("ncp_mmap: called\n");