All callers dereference the 'tm' parameter before it gets to this
function, the NULL check does not make much sense here.

Signed-off-by: David Sterba <dste...@suse.com>
---
 fs/btrfs/ctree.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 1192bc7d2ee7..2c3c943bfcdc 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -453,8 +453,6 @@ __tree_mod_log_insert(struct btrfs_fs_info *fs_info, struct 
tree_mod_elem *tm)
        struct rb_node *parent = NULL;
        struct tree_mod_elem *cur;
 
-       BUG_ON(!tm);
-
        tm->seq = btrfs_inc_tree_mod_seq(fs_info);
 
        tm_root = &fs_info->tree_mod_log;
-- 
2.10.1

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