From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Wed, 9 Aug 2017 16:45:29 +0200

Replace the specification of a data structures by variable references
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
 drivers/acpi/acpi_video.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 3cc1798676ab..d999f4e49b98 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -1140,7 +1140,7 @@ acpi_video_bus_get_one_device(struct acpi_device *device,
        if (ACPI_FAILURE(status))
                return 0;
 
-       data = kzalloc(sizeof(struct acpi_video_device), GFP_KERNEL);
+       data = kzalloc(sizeof(*data), GFP_KERNEL);
        if (!data)
                return -ENOMEM;
 
@@ -1321,7 +1321,7 @@ static int acpi_video_device_enumerate(struct 
acpi_video_bus *video)
                          dod->package.count));
 
        active_list = kcalloc(1 + dod->package.count,
-                             sizeof(struct acpi_video_enumerated_device),
+                             sizeof(*active_list),
                              GFP_KERNEL);
        if (!active_list) {
                status = -ENOMEM;
@@ -1742,7 +1742,7 @@ static void acpi_video_dev_register_backlight(struct 
acpi_video_device *device)
                pci_dev_put(pdev);
        }
 
-       memset(&props, 0, sizeof(struct backlight_properties));
+       memset(&props, 0, sizeof(props));
        props.type = BACKLIGHT_FIRMWARE;
        props.max_brightness =
                device->brightness->count - ACPI_VIDEO_FIRST_LEVEL - 1;
@@ -2007,7 +2007,7 @@ static int acpi_video_bus_add(struct acpi_device *device)
                        return -ENODEV;
        }
 
-       video = kzalloc(sizeof(struct acpi_video_bus), GFP_KERNEL);
+       video = kzalloc(sizeof(*video), GFP_KERNEL);
        if (!video)
                return -ENOMEM;
 
-- 
2.13.4

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