diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index 8addfe3..d22cd16 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -838,6 +838,8 @@
 	ret = bdi_setup_and_register(&sbi->bdi, "exofs", BDI_CAP_MAP_COPY);
 	if (ret) {
 		EXOFS_DBGMSG("Failed to bdi_setup_and_register\n");
+		dput(sb->s_root);
+		sb->s_root = NULL;
 		goto free_sbi;
 	}