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Btrfs: fix memory leak of log roots
[linux-2.6-block.git]
/
fs
/
btrfs
/
tree-log.c
diff --git
a/fs/btrfs/tree-log.c
b/fs/btrfs/tree-log.c
index e8b7a68e1b37a15a5d853f57431a4f3ab97f5582..8e85e0e4333d4b1a4b74e0ebe9f163904a90ac48 100644
(file)
--- a/
fs/btrfs/tree-log.c
+++ b/
fs/btrfs/tree-log.c
@@
-2466,8
+2466,10
@@
static void free_log_tree(struct btrfs_trans_handle *trans,
.process_func = process_one_buffer
};
- ret = walk_log_tree(trans, log, &wc);
- BUG_ON(ret);
+ if (trans) {
+ ret = walk_log_tree(trans, log, &wc);
+ BUG_ON(ret);
+ }
while (1) {
ret = find_first_extent_bit(&log->dirty_log_pages,