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ACPI: dock: use NULL for pointer

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Use NULL instead of 0 for pointers:
drivers/acpi/dock.c:677:75: warning: Using plain integer as NULL pointer

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Randy Dunlap 2007-03-26 21:38:49 -08:00 committed by Len Brown
parent ac122bb64b
commit 62a6d7fd9b
1 changed files with 2 additions and 1 deletions
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3
drivers/acpi/dock.c
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@ -29,6 +29,7 @@
#include <linux/notifier.h>
#include <linux/platform_device.h>
#include <linux/jiffies.h>
#include <linux/stddef.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
@ -674,7 +675,7 @@ static ssize_t show_dock_uid(struct device *dev,
struct device_attribute *attr, char *buf)
{
unsigned long lbuf;
acpi_status status = acpi_evaluate_integer(dock_station->handle, "_UID", 0, &lbuf);
acpi_status status = acpi_evaluate_integer(dock_station->handle, "_UID", NULL, &lbuf);
if(ACPI_FAILURE(status)) {
return 0;
}