From: Vasiliy Kulikov <segooon@xxxxxxxxx>
Function pnode_lookup may return ERR_PTR(...). Check for it.
Signed-off-by: Vasiliy Kulikov <segooon@xxxxxxxxx>
---
Compile tested.
fs/ubifs/lpt_commit.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index d12535b..5c90dec 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);
--
1.7.0.4
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