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ACPICA: ACPICA: add status check for acpi_hw_read before assigning return value
authorErik Schmauss <erik.schmauss@intel.com>
Fri, 10 Aug 2018 21:42:55 +0000 (14:42 -0700)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Tue, 14 Aug 2018 21:49:13 +0000 (23:49 +0200)
commitf016b19a9275089a2ab06c2144567c2ad8d5d6ad
treeb5db8e00588a5dc85c0d05c48f25583227884ab3tree | snapshot
parentd46b6537f0ceed303047da918ed951f074a99288commit | diff
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>
drivers/acpi/acpica/hwregs.c diff | blob | history
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