cifs: move bdi_setup_and_register outside of CONFIG_CIFS_DFS_UPCALL

This needs to be done regardless of whether that KConfig option is set
or not.
Reported-by: NSven-Haegar Koch <haegar@sdinet.de>
Signed-off-by: NJeff Layton <jlayton@redhat.com>
Signed-off-by: NSteve French <sfrench@us.ibm.com>

fs/cifs/connect.c

@@ -3002,6 +3002,7 @@ cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info)
 	struct tcon_link *tlink;
 #ifdef CONFIG_CIFS_DFS_UPCALL
 	int referral_walks_count = 0;
+#endif
 
 	rc = bdi_setup_and_register(&cifs_sb->bdi, "cifs", BDI_CAP_MAP_COPY);
 	if (rc)
@@ -3009,6 +3010,7 @@ cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info)
 
 	cifs_sb->bdi.ra_pages = default_backing_dev_info.ra_pages;
 
+#ifdef CONFIG_CIFS_DFS_UPCALL
 try_mount_again:
 	/* cleanup activities if we're chasing a referral */
 	if (referral_walks_count) {