diff options
| author | Oleg Nesterov <oleg@tv-sign.ru> | 2008-02-01 18:41:30 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-02-10 10:48:03 +0100 |
| commit | c289b074b66e2e59c65aba73f40b99e797e92d2f (patch) | |
| tree | 03ecf2381f33941e8d84e1d5b2d8e106109ea7da | |
| parent | hrtimer: fix *rmtp/restarts handling in compat_sys_nanosleep() (diff) | |
| download | linux-c289b074b66e2e59c65aba73f40b99e797e92d2f.tar.xz linux-c289b074b66e2e59c65aba73f40b99e797e92d2f.zip | |
hrtimer: don't modify restart_block->fn in restart functions
hrtimer_nanosleep_restart() clears/restores restart_block->fn. This is
pointless and complicates its usage. Note that if sys_restart_syscall()
doesn't actually happen, we have a bogus "pending" restart->fn anyway,
this is harmless.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Alexey Dobriyan <adobriyan@sw.ru>
Cc: Pavel Emelyanov <xemul@sw.ru>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Toyo Abe <toyoa@mvista.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | kernel/compat.c | 1 | ||||
| -rw-r--r-- | kernel/hrtimer.c | 4 |
2 files changed, 0 insertions, 5 deletions
diff --git a/kernel/compat.c b/kernel/compat.c index f2a297504287..5f0e201bcfd3 100644 --- a/kernel/compat.c +++ b/kernel/compat.c @@ -55,7 +55,6 @@ static long compat_nanosleep_restart(struct restart_block *restart) set_fs(oldfs); if (ret) { - restart->fn = compat_nanosleep_restart; restart->arg1 = (unsigned long)rmtp; if (rmtp && put_compat_timespec(&rmt, rmtp)) diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 355085f0896e..3f4a57c7895d 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -1340,8 +1340,6 @@ long __sched hrtimer_nanosleep_restart(struct restart_block *restart) struct hrtimer_sleeper t; struct timespec __user *rmtp; - restart->fn = do_no_restart_syscall; - hrtimer_init(&t.timer, restart->arg0, HRTIMER_MODE_ABS); t.timer.expires.tv64 = ((u64)restart->arg3 << 32) | (u64) restart->arg2; @@ -1355,8 +1353,6 @@ long __sched hrtimer_nanosleep_restart(struct restart_block *restart) return ret; } - restart->fn = hrtimer_nanosleep_restart; - /* The other values in restart are already filled in */ return -ERESTART_RESTARTBLOCK; } |