1 files changed, 3 insertions, 0 deletions

diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index d12535b7fc78..5c90dec5db0b 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/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);