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Input: hil-mlc - use del_timer_sync() when unloading the driver 

del_timer() does not wait for the timer to finish running before returning
and therefore is technically not safe. Also make sure to enable tasklet
before kicking timer that will schedule it.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2009-12-11 21:39:51 -08:00
parent 898d1053f7
commit e40ec6ff2f
1 changed files with 3 additions and 5 deletions
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8
drivers/input/serio/hil_mlc.c
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@ -993,10 +993,8 @@ int hil_mlc_unregister(hil_mlc *mlc)
static int __init hil_mlc_init(void)
{
init_timer(&hil_mlcs_kicker);
hil_mlcs_kicker.expires = jiffies + HZ;
hil_mlcs_kicker.function = &hil_mlcs_timer;
add_timer(&hil_mlcs_kicker);
setup_timer(&hil_mlcs_kicker, &hil_mlcs_timer, 0);
mod_timer(&hil_mlcs_kicker, jiffies + HZ);
tasklet_enable(&hil_mlcs_tasklet);
@ -1005,7 +1003,7 @@ static int __init hil_mlc_init(void)
static void __exit hil_mlc_exit(void)
{
del_timer(&hil_mlcs_kicker);
del_timer_sync(&hil_mlcs_kicker);
tasklet_disable(&hil_mlcs_tasklet);
tasklet_kill(&hil_mlcs_tasklet);