diff --git a/[refs] b/[refs]
index 497920e4d125..3de8da74a695 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0e54c8992a35ab8126e8a7661007ddc1745a2597
+refs/heads/master: 8c893a5545ca772744376295690723dcb0b47d96
diff --git a/trunk/fs/ubifs/lpt_commit.c b/trunk/fs/ubifs/lpt_commit.c
index d12535b7fc78..5c90dec5db0b 100644
--- a/trunk/fs/ubifs/lpt_commit.c
+++ b/trunk/fs/ubifs/lpt_commit.c
@@ -705,6 +705,9 @@ static int make_tree_dirty(struct ubifs_info *c)
 	struct ubifs_pnode *pnode;
 
 	pnode = pnode_lookup(c, 0);
+	if (IS_ERR(pnode))
+		return PTR_ERR(pnode);
+
 	while (pnode) {
 		do_make_pnode_dirty(c, pnode);
 		pnode = next_pnode_to_dirty(c, pnode);