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Currently we use a mixture of %016llx, %llx, and %16llx when printing a SAS address. Since the most significant nibble of the SAS address is always 5 - as per standard - this formatting is not so important; but some fake SAS addresses for SATA devices may not be. And we have mangled/invalid address to consider also. And it's better to be consistent in the code, so use a fixed format. The SAS address is a fixed size at 64b, so we want to 0 byte extend to 16 nibbles, so use %016llx globally. Also make some prints to be explicitly hex, and tidy some whitespace issue. Link: https://lore.kernel.org/r/1576758957-227350-1-git-send-email-john.garry@huawei.com Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>