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ACPI: list_for_each_safe() -> list_for_each_entry_safe()

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Replace list_for_each_safe() and open-coded list entry address
computations with list_for_each_entry_safe() in several places to
simplify code.

Signed-off-by: chenqiwu <chenqiwu@xiaomi.com>
[ rjw: Subject & changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
chenqiwu
2020-02-23 14:08:22 +08:00
committed by Rafael J. Wysocki
parent 98d54f81e3
commit 07761a4cd4
2 changed files with 15 additions and 23 deletions
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14
drivers/acpi/proc.c
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@@ -22,14 +22,13 @@ ACPI_MODULE_NAME("sleep")
static int
acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
{
struct list_head *node, *next;
struct acpi_device *dev, *tmp;
seq_printf(seq, "Device\tS-state\t Status Sysfs node\n");
mutex_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
struct acpi_device *dev =
container_of(node, struct acpi_device, wakeup_list);
list_for_each_entry_safe(dev, tmp, &acpi_wakeup_device_list,
wakeup_list) {
struct acpi_device_physical_node *entry;
if (!dev->wakeup.flags.valid)
@@ -96,7 +95,7 @@ acpi_system_write_wakeup_device(struct file *file,
const char __user * buffer,
size_t count, loff_t * ppos)
{
struct list_head *node, *next;
struct acpi_device *dev, *tmp;
char strbuf[5];
char str[5] = "";
@@ -109,9 +108,8 @@ acpi_system_write_wakeup_device(struct file *file,
sscanf(strbuf, "%s", str);
mutex_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
struct acpi_device *dev =
container_of(node, struct acpi_device, wakeup_list);
list_for_each_entry_safe(dev, tmp, &acpi_wakeup_device_list,
wakeup_list) {
if (!dev->wakeup.flags.valid)
continue;