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clockevents: Use dedicated list iterator variable 

To move the list iterator variable into the list_for_each_entry_*()
macro in the future it should be avoided to use the list iterator
variable after the loop body.

To *never* use the list iterator variable after the loop it was
concluded to use a separate iterator variable.

Signed-off-by: Jakob Koschel <jakobkoschel@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/CAHk-=wgRr_D8CB-D9Kg-c=EHreAsk5SqXPwr9Y7k9sA6cWXJ6w@mail.gmail.com/
Link: https://lore.kernel.org/r/20220331215707.883957-1-jakobkoschel@gmail.com
This commit is contained in:
Jakob Koschel 2022-03-31 23:57:07 +02:00 committed by Thomas Gleixner
parent a2026e44ef
commit 2966a9918d
1 changed files with 5 additions and 4 deletions
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9
kernel/time/clockevents.c
View File

@ -690,7 +690,7 @@ static ssize_t unbind_device_store(struct device *dev,
{
char name[CS_NAME_LEN];
ssize_t ret = sysfs_get_uname(buf, name, count);
struct clock_event_device *ce;
struct clock_event_device *ce = NULL, *iter;
if (ret < 0)
return ret;
@ -698,9 +698,10 @@ static ssize_t unbind_device_store(struct device *dev,
ret = -ENODEV;
mutex_lock(&clockevents_mutex);
raw_spin_lock_irq(&clockevents_lock);
list_for_each_entry(ce, &clockevent_devices, list) {
if (!strcmp(ce->name, name)) {
ret = __clockevents_try_unbind(ce, dev->id);
list_for_each_entry(iter, &clockevent_devices, list) {
if (!strcmp(iter->name, name)) {
ret = __clockevents_try_unbind(iter, dev->id);
ce = iter;
break;
}
}