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platform/x86: wmi: move variables

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[ Upstream commit f5431bf1e6 ]

Move some variables in order to keep them
in the narrowest possible scope.

Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Link: https://lore.kernel.org/r/20210904175450.156801-22-pobrn@protonmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Stable-dep-of: 028e6e204a ("platform/x86: wmi: Break possible infinite loop when parsing GUID")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Barnabás Pőcze 2021-09-04 17:56:10 +00:00 committed by Greg Kroah-Hartman
parent 669c488cb2
commit cb8a256202
1 changed files with 4 additions and 5 deletions
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9
drivers/platform/x86/wmi.c
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@ -133,7 +133,6 @@ static const void *find_guid_context(struct wmi_block *wblock,
struct wmi_driver *wdriver)
{
const struct wmi_device_id *id;
guid_t guid_input;
if (wblock == NULL || wdriver == NULL)
return NULL;
@ -142,6 +141,8 @@ static const void *find_guid_context(struct wmi_block *wblock,
id = wdriver->id_table;
while (*id->guid_string) {
guid_t guid_input;
if (guid_parse(id->guid_string, &guid_input))
continue;
if (guid_equal(&wblock->gblock.guid, &guid_input))
@ -612,7 +613,6 @@ acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out)
{
struct acpi_object_list input;
union acpi_object params[1];
struct guid_block *gblock;
struct wmi_block *wblock;
input.count = 1;
@ -621,7 +621,7 @@ acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out)
params[0].integer.value = event;
list_for_each_entry(wblock, &wmi_block_list, list) {
gblock = &wblock->gblock;
struct guid_block *gblock = &wblock->gblock;
if ((gblock->flags & ACPI_WMI_EVENT) &&
(gblock->notify_id == event))
@ -1278,12 +1278,11 @@ acpi_wmi_ec_space_handler(u32 function, acpi_physical_address address,
static void acpi_wmi_notify_handler(acpi_handle handle, u32 event,
void *context)
{
struct guid_block *block;
struct wmi_block *wblock;
bool found_it = false;
list_for_each_entry(wblock, &wmi_block_list, list) {
block = &wblock->gblock;
struct guid_block *block = &wblock->gblock;
if (wblock->acpi_device->handle == handle &&
(block->flags & ACPI_WMI_EVENT) &&