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>

1 files changed, 7 insertions, 15 deletions

diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 51b6a6a6158c..c8a9d13874df 100644
--- 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);