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0d76502172
If ubifs_garbage_collect_leb() returns -EAGAIN and enters the "out" branch, ubifs_return_leb will execute twice on the same lnum. This can cause data loss in concurrency situations. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Baokun Li <libaokun1@huawei.com> Signed-off-by: Richard Weinberger <richard@nod.at>