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author | Erik Schmauss <erik.schmauss@intel.com> | 2018-12-13 23:30:34 +0300 |
---|---|---|
committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-12-14 00:40:51 +0300 |
commit | 55e8054dbb35a97c39c270c8fd9478e2c938ebab (patch) | |
tree | 8d078c894db7b278879c5203f90891c14af9d250 /drivers/acpi/acpica | |
parent | 4c1379d7bb42fa664e0784539208ed74108c53f1 (diff) | |
download | linux-55e8054dbb35a97c39c270c8fd9478e2c938ebab.tar.xz |
ACPICA: change coding style to match ACPICA, no functional change
This commit alters the coding style of the following commit to match
ACPICA to keep divergences between Linux and ACPICA at a minimum.
This is not intended to result in functional changes.
ae6b3e54aa52cd29965b8e4e47000ed2c5d78eb8
Author: Hans de Goede <hdegoede@redhat.com>
Date: Sun Nov 18 20:25:35 2018 +0100
ACPICA: Fix handling of buffer-size in acpi_ex_write_data_to_field()
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica')
-rw-r--r-- | drivers/acpi/acpica/exserial.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/exserial.c b/drivers/acpi/acpica/exserial.c index 9920fac6413f..ec61553c4483 100644 --- a/drivers/acpi/acpica/exserial.c +++ b/drivers/acpi/acpica/exserial.c @@ -244,6 +244,7 @@ acpi_ex_write_serial_bus(union acpi_operand_object *source_desc, { acpi_status status; u32 buffer_length; + u32 data_length; void *buffer; union acpi_operand_object *buffer_desc; u32 function; @@ -324,8 +325,9 @@ acpi_ex_write_serial_bus(union acpi_operand_object *source_desc, /* Copy the input buffer data to the transfer buffer */ buffer = buffer_desc->buffer.pointer; - memcpy(buffer, source_desc->buffer.pointer, - min(buffer_length, source_desc->buffer.length)); + data_length = (buffer_length < source_desc->buffer.length ? + buffer_length : source_desc->buffer.length); + memcpy(buffer, source_desc->buffer.pointer, data_length); /* Lock entire transaction if requested */ |