[tip:timers/core] timer: Remove expires argument from __TIMER_INITIALIZER()

From: tip-bot for Kees Cook
Date: Thu Oct 05 2017 - 09:32:01 EST


Commit-ID: 8ede369b2cccfa585e2969bbed18edc0e2a18c50
Gitweb: https://git.kernel.org/tip/8ede369b2cccfa585e2969bbed18edc0e2a18c50
Author: Kees Cook <keescook@xxxxxxxxxxxx>
AuthorDate: Wed, 4 Oct 2017 16:27:05 -0700
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Thu, 5 Oct 2017 15:01:21 +0200

timer: Remove expires argument from __TIMER_INITIALIZER()

The expires field is normally initialized during the first mod_timer()
call. It was unused by all callers, so remove it from the macro.

Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxx
Cc: Petr Mladek <pmladek@xxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Lai Jiangshan <jiangshanlai@xxxxxxxxx>
Cc: Sebastian Reichel <sre@xxxxxxxxxx>
Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Pavel Machek <pavel@xxxxxx>
Cc: linux1394-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: Chris Metcalf <cmetcalf@xxxxxxxxxxxx>
Cc: linux-s390@xxxxxxxxxxxxxxx
Cc: linux-wireless@xxxxxxxxxxxxxxx
Cc: "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxxxx>
Cc: Wim Van Sebroeck <wim@xxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Ursula Braun <ubraun@xxxxxxxxxxxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Cc: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Cc: Harish Patil <harish.patil@xxxxxxxxxx>
Cc: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
Cc: Michael Reed <mdr@xxxxxxx>
Cc: Manish Chopra <manish.chopra@xxxxxxxxxx>
Cc: Len Brown <len.brown@xxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: linux-pm@xxxxxxxxxxxxxxx
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Julian Wiedmann <jwi@xxxxxxxxxxxxxxxxxx>
Cc: John Stultz <john.stultz@xxxxxxxxxx>
Cc: Mark Gross <mark.gross@xxxxxxxxx>
Cc: linux-watchdog@xxxxxxxxxxxxxxx
Cc: linux-scsi@xxxxxxxxxxxxxxx
Cc: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: Stefan Richter <stefanr@xxxxxxxxxxxxxxxxx>
Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
Cc: Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx>
Link: https://lkml.kernel.org/r/1507159627-127660-12-git-send-email-keescook@xxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

---
include/linux/kthread.h | 2 +-
include/linux/timer.h | 5 ++---
include/linux/workqueue.h | 2 +-
3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/include/linux/kthread.h b/include/linux/kthread.h
index 82e197e..0d622b3 100644
--- a/include/linux/kthread.h
+++ b/include/linux/kthread.h
@@ -117,7 +117,7 @@ struct kthread_delayed_work {
#define KTHREAD_DELAYED_WORK_INIT(dwork, fn) { \
.work = KTHREAD_WORK_INIT((dwork).work, (fn)), \
.timer = __TIMER_INITIALIZER(kthread_delayed_work_timer_fn, \
- 0, (unsigned long)&(dwork), \
+ (unsigned long)&(dwork), \
TIMER_IRQSAFE), \
}

diff --git a/include/linux/timer.h b/include/linux/timer.h
index 91e5a2c..10685c3 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -63,10 +63,9 @@ struct timer_list {

#define TIMER_TRACE_FLAGMASK (TIMER_MIGRATING | TIMER_DEFERRABLE | TIMER_PINNED | TIMER_IRQSAFE)

-#define __TIMER_INITIALIZER(_function, _expires, _data, _flags) { \
+#define __TIMER_INITIALIZER(_function, _data, _flags) { \
.entry = { .next = TIMER_ENTRY_STATIC }, \
.function = (_function), \
- .expires = (_expires), \
.data = (_data), \
.flags = (_flags), \
__TIMER_LOCKDEP_MAP_INITIALIZER( \
@@ -75,7 +74,7 @@ struct timer_list {

#define DEFINE_TIMER(_name, _function) \
struct timer_list _name = \
- __TIMER_INITIALIZER(_function, 0, 0, 0)
+ __TIMER_INITIALIZER(_function, 0, 0)

void init_timer_key(struct timer_list *timer, unsigned int flags,
const char *name, struct lock_class_key *key);
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 1c49431..f496026 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -176,7 +176,7 @@ struct execute_work {
#define __DELAYED_WORK_INITIALIZER(n, f, tflags) { \
.work = __WORK_INITIALIZER((n).work, (f)), \
.timer = __TIMER_INITIALIZER(delayed_work_timer_fn, \
- 0, (unsigned long)&(n), \
+ (unsigned long)&(n), \
(tflags) | TIMER_IRQSAFE), \
}