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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-31 18:43:41 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-31 18:43:41 +0200 |
| commit | 85e9ca333d03fbd56b9e123c8456f0d98e20faad (patch) | |
| tree | 7bb15ada5f536950efa23ad60ea9eea60380ca1c /drivers/char/hpet.c | |
| parent | a300bec952127d9a15e666b391bb35c9aecb3002 (diff) | |
| parent | 6e86841d05f371b5b9b86ce76c02aaee83352298 (diff) | |
| download | linux-85e9ca333d03fbd56b9e123c8456f0d98e20faad.tar.gz | |
Merge branch 'linus' into timers/hpet
Diffstat (limited to 'drivers/char/hpet.c')
| -rw-r--r-- | drivers/char/hpet.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index c9bf5d44402d..f3981ffe20f0 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -14,6 +14,7 @@ #include <linux/interrupt.h> #include <linux/module.h> #include <linux/kernel.h> +#include <linux/smp_lock.h> #include <linux/types.h> #include <linux/miscdevice.h> #include <linux/major.h> @@ -254,6 +255,7 @@ static int hpet_open(struct inode *inode, struct file *file) if (file->f_mode & FMODE_WRITE) return -EINVAL; + lock_kernel(); spin_lock_irq(&hpet_lock); for (devp = NULL, hpetp = hpets; hpetp && !devp; hpetp = hpetp->hp_next) @@ -268,6 +270,7 @@ static int hpet_open(struct inode *inode, struct file *file) if (!devp) { spin_unlock_irq(&hpet_lock); + unlock_kernel(); return -EBUSY; } @@ -275,6 +278,7 @@ static int hpet_open(struct inode *inode, struct file *file) devp->hd_irqdata = 0; devp->hd_flags |= HPET_OPEN; spin_unlock_irq(&hpet_lock); + unlock_kernel(); hpet_timer_set_irq(devp); @@ -682,6 +686,7 @@ static inline int hpet_tpcheck(struct hpet_task *tp) return -ENXIO; } +#if 0 int hpet_unregister(struct hpet_task *tp) { struct hpet_dev *devp; @@ -711,6 +716,7 @@ int hpet_unregister(struct hpet_task *tp) return 0; } +#endif /* 0 */ static ctl_table hpet_table[] = { { |