Erik Schmauss f016b19a92 ACPICA: ACPICA: add status check for acpi_hw_read before assigning return value ...

The value coming from acpi_hw_read() should not be used if it
returns an error code, so check the status returned by it before
using that value in two places in acpi_hw_register_read().

Reported-by: Mark Gross <mark.gross@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

2018-08-14 23:49:13 +02:00

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