X-Git-Url: https://bbs.cooldavid.org/git/?a=blobdiff_plain;f=fs%2Fubifs%2Flpt_commit.c;h=5c90dec5db0b17bd79c1c1c8bd024c400b5c0514;hb=HEAD;hp=d12535b7fc789dda7c473593aacfc6816afc90be;hpb=70c74e59db7450d5c9164abeb3b6752f8045288b;p=net-next-2.6.git

diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index d12535b7fc7..5c90dec5db0 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);