kernel/time/clocksource.c: Use list_for_each_entry instead of list_for_each

kernel/time/clocksource.c: Convert list_for_each to
list_for_each_entry in clocksource_resume(),
sysfs_override_clocksource() and show_available_clocksources()

Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 51b6a6a6158cab016aa11b09f0a65c1919c750ec..c8a9d13874dfdcf85c6b2ab9d7d03f92a8f39401 100644 (file)
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -207,15 +207,12 @@ static inline void clocksource_resume_watchdog(void) { }
  */
 void clocksource_resume(void)
 {
-       struct list_head *tmp;
+       struct clocksource *cs;
        unsigned long flags;
 
        spin_lock_irqsave(&clocksource_lock, flags);
 
-       list_for_each(tmp, &clocksource_list) {
-               struct clocksource *cs;
-
-               cs = list_entry(tmp, struct clocksource, list);
+       list_for_each_entry(cs, &clocksource_list, list) {
                if (cs->resume)
                        cs->resume();
        }
@@ -369,7 +366,6 @@ static ssize_t sysfs_override_clocksource(struct sys_device *dev,
                                          const char *buf, size_t count)
 {
        struct clocksource *ovr = NULL;
-       struct list_head *tmp;
        size_t ret = count;
        int len;
 
@@ -389,12 +385,11 @@ static ssize_t sysfs_override_clocksource(struct sys_device *dev,
 
        len = strlen(override_name);
        if (len) {
+               struct clocksource *cs;
+
                ovr = clocksource_override;
                /* try to select it: */
-               list_for_each(tmp, &clocksource_list) {
-                       struct clocksource *cs;
-
-                       cs = list_entry(tmp, struct clocksource, list);
+               list_for_each_entry(cs, &clocksource_list, list) {
                        if (strlen(cs->name) == len &&
                            !strcmp(cs->name, override_name))
                                ovr = cs;
@@ -422,14 +417,11 @@ static ssize_t sysfs_override_clocksource(struct sys_device *dev,
 static ssize_t
 sysfs_show_available_clocksources(struct sys_device *dev, char *buf)
 {
-       struct list_head *tmp;
+       struct clocksource *src;
        char *curr = buf;
 
        spin_lock_irq(&clocksource_lock);
-       list_for_each(tmp, &clocksource_list) {
-               struct clocksource *src;
-
-               src = list_entry(tmp, struct clocksource, list);
+       list_for_each_entry(src, &clocksource_list, list) {
                curr += sprintf(curr, "%s ", src->name);
        }
        spin_unlock_irq(&clocksource_lock);