rb_node is never an ERR_PTR() here. This code confuses smatch.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
---
This doesn't change anything. It's just a cleanup. Could you load
it up for linux-next?
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 28d87ba..94668b1 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -335,10 +335,6 @@ struct extent_map *lookup_extent_mapping(struct extent_map_tree *tree,
em = NULL;
goto out;
}
- if (IS_ERR(rb_node)) {
- em = ERR_PTR(PTR_ERR(rb_node));
- goto out;
- }
em = rb_entry(rb_node, struct extent_map, rb_node);
if (end > em->start && start < extent_map_end(em))
goto found;
--
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