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ACPI: catch calls of acpi_driver_data on pointer of wrong type

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Catch attempts to use of acpi_driver_data on pointers of wrong type.

akpm: rewritten to use proper C typechecking and remove the
"function"-used-as-lvalue thing.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Pavel Machek
2008-09-22 14:37:34 -07:00
committed by Len Brown
parent 9e113e0014
commit db89b4f0db
23 changed files with 34 additions and 30 deletions
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6
drivers/acpi/video.c
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@ -1491,7 +1491,7 @@ acpi_video_bus_get_one_device(struct acpi_device *device,
strcpy(acpi_device_name(device), ACPI_VIDEO_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_VIDEO_CLASS);
acpi_driver_data(device) = data;
device->driver_data = data;
data->device_id = device_id;
data->video = video;
@ -1982,7 +1982,7 @@ static int acpi_video_bus_add(struct acpi_device *device)
video->device = device;
strcpy(acpi_device_name(device), ACPI_VIDEO_BUS_NAME);
strcpy(acpi_device_class(device), ACPI_VIDEO_CLASS);
acpi_driver_data(device) = video;
device->driver_data = video;
acpi_video_bus_find_cap(video);
error = acpi_video_bus_check(video);
@ -2058,7 +2058,7 @@ static int acpi_video_bus_add(struct acpi_device *device)
acpi_video_bus_remove_fs(device);
err_free_video:
kfree(video);
acpi_driver_data(device) = NULL;
device->driver_data = NULL;
return error;
}