Messages in this thread |  | | | Date | Wed, 13 Feb 2008 08:06:42 +0100 | | From | Stefan Priebe - allied internet ag <> | | Subject | Re: [BUGFIX 2/2] gdth: bugfix for the Timer at exit crash | |
Hello!
I've tested this patch now - and it works fine. Now rmmod, halt and
reboot also works.
Stefan Priebe
Boaz Harrosh schrieb:
> gdth _exit would first remove all cards then stop the timer
> and would not sync with the timer function. This caused a crash
> in gdth_timer() when module was unloaded.
>
> del_timer_sync the timer before we delete the cards.
>
> NOT YET TESTED
>
> Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
> ---
> drivers/scsi/gdth.c | 15 ++++++++-------
> 1 files changed, 8 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
> index 8eb78be..103280e 100644
> --- a/drivers/scsi/gdth.c
> +++ b/drivers/scsi/gdth.c
> @@ -3793,6 +3793,8 @@ static void gdth_timeout(ulong data)
> gdth_ha_str *ha;
> ulong flags;
>
> + BUG_ON(list_empty(&gdth_instances));
> +
> ha = list_first_entry(&gdth_instances, gdth_ha_str, list);
> spin_lock_irqsave(&ha->smp_lock, flags);
>
> @@ -5146,8 +5148,6 @@ static void gdth_remove_one(gdth_ha_str *ha)
> ha->sdev = NULL;
> }
>
> - gdth_flush(ha);
> -
> if (shp->irq)
> free_irq(shp->irq,ha);
>
> @@ -5245,14 +5245,15 @@ static void __exit gdth_exit(void)
> {
> gdth_ha_str *ha;
>
> - list_for_each_entry(ha, &gdth_instances, list)
> - gdth_remove_one(ha);
> + unregister_chrdev(major,"gdth");
> + unregister_reboot_notifier(&gdth_notifier);
>
> #ifdef GDTH_STATISTICS
> - del_timer(&gdth_timer);
> + del_timer_sync(&gdth_timer);
> #endif
> - unregister_chrdev(major,"gdth");
> - unregister_reboot_notifier(&gdth_notifier);
> +
> + list_for_each_entry(ha, &gdth_instances, list)
> + gdth_remove_one(ha);
> }
>
> module_init(gdth_init);
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