PM: hibernate: Do not initialize error in swap_write_page()
'error' first receives the function result before it is used, and it does not need to be assigned a value during definition. Signed-off-by:Li zeming <zeming@nfschina.com> [ rjw: Subject rewrite ] Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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