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ACPI: Battery: Allow extract string from integer

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Some machines return integer instead of expected string.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Tested-by: Andrey Borzenkov <arvidjaar@mail.ru>
Tested-by: Frans Pop <elendil@planet.nl>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Alexey Starikovskiy 2007-10-29 23:29:40 +03:00 committed by Len Brown
parent 0bde7eee94
commit 106449e870
1 changed files with 15 additions and 10 deletions
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25
drivers/acpi/battery.c
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@ -262,7 +262,7 @@ static int extract_package(struct acpi_battery *battery,
union acpi_object *package,
struct acpi_offsets *offsets, int num)
{
int i, *x;
int i;
union acpi_object *element;
if (package->type != ACPI_TYPE_PACKAGE)
return -EFAULT;
@ -271,16 +271,21 @@ static int extract_package(struct acpi_battery *battery,
return -EFAULT;
element = &package->package.elements[i];
if (offsets[i].mode) {
if (element->type != ACPI_TYPE_STRING &&
element->type != ACPI_TYPE_BUFFER)
return -EFAULT;
strncpy((u8 *)battery + offsets[i].offset,
element->string.pointer, 32);
u8 *ptr = (u8 *)battery + offsets[i].offset;
if (element->type == ACPI_TYPE_STRING ||
element->type == ACPI_TYPE_BUFFER)
strncpy(ptr, element->string.pointer, 32);
else if (element->type == ACPI_TYPE_INTEGER) {
strncpy(ptr, (u8 *)&element->integer.value,
sizeof(acpi_integer));
ptr[sizeof(acpi_integer)] = 0;
} else return -EFAULT;
} else {
if (element->type != ACPI_TYPE_INTEGER)
return -EFAULT;
x = (int *)((u8 *)battery + offsets[i].offset);
*x = element->integer.value;
if (element->type == ACPI_TYPE_INTEGER) {
int *x = (int *)((u8 *)battery +
offsets[i].offset);
*x = element->integer.value;
} else return -EFAULT;
}
}
return 0;