diff options
Diffstat (limited to 'drivers/acpi/events/evrgnini.c')
| -rw-r--r-- | drivers/acpi/events/evrgnini.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c index db98747fe54d0..d1809f4240a40 100644 --- a/drivers/acpi/events/evrgnini.c +++ b/drivers/acpi/events/evrgnini.c @@ -75,7 +75,18 @@ acpi_ev_system_memory_region_setup(acpi_handle handle, if (function == ACPI_REGION_DEACTIVATE) { if (*region_context) { - ACPI_FREE(*region_context); + local_region_context = + (struct acpi_mem_space_context *)*region_context; + + /* Delete a cached mapping if present */ + + if (local_region_context->mapped_length) { + acpi_os_unmap_memory(local_region_context-> + mapped_logical_address, + local_region_context-> + mapped_length); + } + ACPI_FREE(local_region_context); *region_context = NULL; } return_ACPI_STATUS(AE_OK); |