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Date: Tue, 6 May 2014 19:16:59 +0200
From: Fabian Frederick <fabf@...net.be>
To: linux-kernel <linux-kernel@...r.kernel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>,
akpm <akpm@...ux-foundation.org>
Subject: [PATCH 1/1] kernel/posix-timers.c: code clean-up
Fixing some checkpatch warnings:
-Convert printk to pr_foo()
-Remove spaces between function and (
-Split lines > 80 characters
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Fabian Frederick <fabf@...net.be>
---
kernel/posix-timers.c | 57 +++++++++++++++++++++++++++------------------------
1 file changed, 30 insertions(+), 27 deletions(-)
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 424c2d4..40652b2 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -71,7 +71,7 @@ static DEFINE_SPINLOCK(hash_lock);
* SIGEV values. Here we put out an error if this assumption fails.
*/
#if SIGEV_THREAD_ID != (SIGEV_THREAD_ID & \
- ~(SIGEV_SIGNAL | SIGEV_NONE | SIGEV_THREAD))
+ ~(SIGEV_SIGNAL | SIGEV_NONE | SIGEV_THREAD))
#error "SIGEV_THREAD_ID must not share bit with other SIGEV values!"
#endif
@@ -252,7 +252,8 @@ static int posix_get_monotonic_coarse(clockid_t which_clock,
return 0;
}
-static int posix_get_coarse_res(const clockid_t which_clock, struct timespec *tp)
+static int posix_get_coarse_res(const clockid_t which_clock,
+ struct timespec *tp)
{
*tp = ktime_to_timespec(KTIME_LOW_RES);
return 0;
@@ -333,14 +334,16 @@ static __init int init_posix_timers(void)
posix_timers_register_clock(CLOCK_REALTIME, &clock_realtime);
posix_timers_register_clock(CLOCK_MONOTONIC, &clock_monotonic);
posix_timers_register_clock(CLOCK_MONOTONIC_RAW, &clock_monotonic_raw);
- posix_timers_register_clock(CLOCK_REALTIME_COARSE, &clock_realtime_coarse);
- posix_timers_register_clock(CLOCK_MONOTONIC_COARSE, &clock_monotonic_coarse);
+ posix_timers_register_clock(CLOCK_REALTIME_COARSE,
+ &clock_realtime_coarse);
+ posix_timers_register_clock(CLOCK_MONOTONIC_COARSE,
+ &clock_monotonic_coarse);
posix_timers_register_clock(CLOCK_BOOTTIME, &clock_boottime);
posix_timers_register_clock(CLOCK_TAI, &clock_tai);
posix_timers_cache = kmem_cache_create("posix_timers_cache",
- sizeof (struct k_itimer), 0, SLAB_PANIC,
- NULL);
+ sizeof (struct k_itimer), 0,
+ SLAB_PANIC, NULL);
return 0;
}
@@ -494,11 +497,11 @@ static enum hrtimer_restart posix_timer_fn(struct hrtimer *timer)
return ret;
}
-static struct pid *good_sigevent(sigevent_t * event)
+static struct pid *good_sigevent(sigevent_t *event)
{
struct task_struct *rtn = current->group_leader;
- if ((event->sigev_notify & SIGEV_THREAD_ID ) &&
+ if ((event->sigev_notify & SIGEV_THREAD_ID) &&
(!(rtn = find_task_by_vpid(event->sigev_notify_thread_id)) ||
!same_thread_group(rtn, current) ||
(event->sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_SIGNAL))
@@ -515,18 +518,18 @@ void posix_timers_register_clock(const clockid_t clock_id,
struct k_clock *new_clock)
{
if ((unsigned) clock_id >= MAX_CLOCKS) {
- printk(KERN_WARNING "POSIX clock register failed for clock_id %d\n",
+ pr_warn("POSIX clock register failed for clock_id %d\n",
clock_id);
return;
}
if (!new_clock->clock_get) {
- printk(KERN_WARNING "POSIX clock id %d lacks clock_get()\n",
+ pr_warn("POSIX clock id %d lacks clock_get()\n",
clock_id);
return;
}
if (!new_clock->clock_getres) {
- printk(KERN_WARNING "POSIX clock id %d lacks clock_getres()\n",
+ pr_warn("POSIX clock id %d lacks clock_getres()\n",
clock_id);
return;
}
@@ -535,7 +538,7 @@ void posix_timers_register_clock(const clockid_t clock_id,
}
EXPORT_SYMBOL_GPL(posix_timers_register_clock);
-static struct k_itimer * alloc_posix_timer(void)
+static struct k_itimer *alloc_posix_timer(void)
{
struct k_itimer *tmr;
tmr = kmem_cache_zalloc(posix_timers_cache, GFP_KERNEL);
@@ -622,7 +625,7 @@ SYSCALL_DEFINE3(timer_create, const clockid_t, which_clock,
new_timer->it_overrun = -1;
if (timer_event_spec) {
- if (copy_from_user(&event, timer_event_spec, sizeof (event))) {
+ if (copy_from_user(&event, timer_event_spec, sizeof(event))) {
error = -EFAULT;
goto out;
}
@@ -647,7 +650,7 @@ SYSCALL_DEFINE3(timer_create, const clockid_t, which_clock,
new_timer->sigq->info.si_code = SI_TIMER;
if (copy_to_user(created_timer_id,
- &new_timer_id, sizeof (new_timer_id))) {
+ &new_timer_id, sizeof(new_timer_id))) {
error = -EFAULT;
goto out;
}
@@ -748,7 +751,8 @@ common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting)
*/
if (iv.tv64 && (timr->it_requeue_pending & REQUEUE_PENDING ||
(timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE))
- timr->it_overrun += (unsigned int) hrtimer_forward(timer, now, iv);
+ timr->it_overrun += (unsigned int) hrtimer_forward(timer, now,
+ iv);
remaining = ktime_sub(hrtimer_get_expires(timer), now);
/* Return 0 only, when the timer is expired and not pending */
@@ -785,7 +789,7 @@ SYSCALL_DEFINE2(timer_gettime, timer_t, timer_id,
unlock_timer(timr, flags);
- if (!ret && copy_to_user(setting, &cur_setting, sizeof (cur_setting)))
+ if (!ret && copy_to_user(setting, &cur_setting, sizeof(cur_setting)))
return -EFAULT;
return ret;
@@ -837,7 +841,7 @@ common_timer_set(struct k_itimer *timr, int flags,
if (hrtimer_try_to_cancel(timer) < 0)
return TIMER_RETRY;
- timr->it_requeue_pending = (timr->it_requeue_pending + 2) &
+ timr->it_requeue_pending = (timr->it_requeue_pending + 2) &
~REQUEUE_PENDING;
timr->it_overrun_last = 0;
@@ -857,9 +861,8 @@ common_timer_set(struct k_itimer *timr, int flags,
/* SIGEV_NONE timers are not queued ! See common_timer_get */
if (((timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE)) {
/* Setup correct expiry time for relative timers */
- if (mode == HRTIMER_MODE_REL) {
+ if (mode == HRTIMER_MODE_REL)
hrtimer_add_expires(timer, timer->base->get_time());
- }
return 0;
}
@@ -882,7 +885,7 @@ SYSCALL_DEFINE4(timer_settime, timer_t, timer_id, int, flags,
if (!new_setting)
return -EINVAL;
- if (copy_from_user(&new_spec, new_setting, sizeof (new_spec)))
+ if (copy_from_user(&new_spec, new_setting, sizeof(new_spec)))
return -EFAULT;
if (!timespec_valid(&new_spec.it_interval) ||
@@ -901,12 +904,12 @@ retry:
unlock_timer(timr, flag);
if (error == TIMER_RETRY) {
- rtn = NULL; // We already got the old time...
+ rtn = NULL; /* We already got the old time... */
goto retry;
}
if (old_setting && !error &&
- copy_to_user(old_setting, &old_spec, sizeof (old_spec)))
+ copy_to_user(old_setting, &old_spec, sizeof(old_spec)))
error = -EFAULT;
return error;
@@ -1008,14 +1011,14 @@ SYSCALL_DEFINE2(clock_settime, const clockid_t, which_clock,
if (!kc || !kc->clock_set)
return -EINVAL;
- if (copy_from_user(&new_tp, tp, sizeof (*tp)))
+ if (copy_from_user(&new_tp, tp, sizeof(*tp)))
return -EFAULT;
return kc->clock_set(which_clock, &new_tp);
}
SYSCALL_DEFINE2(clock_gettime, const clockid_t, which_clock,
- struct timespec __user *,tp)
+ struct timespec __user *, tp)
{
struct k_clock *kc = clockid_to_kclock(which_clock);
struct timespec kernel_tp;
@@ -1026,7 +1029,7 @@ SYSCALL_DEFINE2(clock_gettime, const clockid_t, which_clock,
error = kc->clock_get(which_clock, &kernel_tp);
- if (!error && copy_to_user(tp, &kernel_tp, sizeof (kernel_tp)))
+ if (!error && copy_to_user(tp, &kernel_tp, sizeof(kernel_tp)))
error = -EFAULT;
return error;
@@ -1067,7 +1070,7 @@ SYSCALL_DEFINE2(clock_getres, const clockid_t, which_clock,
error = kc->clock_getres(which_clock, &rtn_tp);
- if (!error && tp && copy_to_user(tp, &rtn_tp, sizeof (rtn_tp)))
+ if (!error && tp && copy_to_user(tp, &rtn_tp, sizeof(rtn_tp)))
error = -EFAULT;
return error;
@@ -1096,7 +1099,7 @@ SYSCALL_DEFINE4(clock_nanosleep, const clockid_t, which_clock, int, flags,
if (!kc->nsleep)
return -ENANOSLEEP_NOTSUP;
- if (copy_from_user(&t, rqtp, sizeof (struct timespec)))
+ if (copy_from_user(&t, rqtp, sizeof(struct timespec)))
return -EFAULT;
if (!timespec_valid(&t))
--
1.8.4.5
--
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