summaryrefslogtreecommitdiffstats
path: root/drivers/macintosh
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/macintosh')
-rw-r--r--drivers/macintosh/Kconfig1
-rw-r--r--drivers/macintosh/mac_hid.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
index 3d7355ff730..fa51af11c6f 100644
--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -102,6 +102,7 @@ config ADB_PMU_LED
config ADB_PMU_LED_IDE
bool "Use front LED as IDE LED by default"
depends on ADB_PMU_LED
+ depends on LEDS_CLASS
select LEDS_TRIGGERS
select LEDS_TRIGGER_IDE_DISK
help
diff --git a/drivers/macintosh/mac_hid.c b/drivers/macintosh/mac_hid.c
index 067f9962f49..6a82388505f 100644
--- a/drivers/macintosh/mac_hid.c
+++ b/drivers/macintosh/mac_hid.c
@@ -23,6 +23,8 @@ static int mouse_button3_keycode = KEY_RIGHTALT; /* right option key */
static struct input_dev *mac_hid_emumouse_dev;
+static DEFINE_MUTEX(mac_hid_emumouse_mutex);
+
static int mac_hid_create_emumouse(void)
{
static struct lock_class_key mac_hid_emumouse_dev_event_class;
@@ -187,6 +189,10 @@ static int mac_hid_toggle_emumouse(ctl_table *table, int write,
int old_val = *valp;
int rc;
+ rc = mutex_lock_killable(&mac_hid_emumouse_mutex);
+ if (rc)
+ return rc;
+
rc = proc_dointvec(table, write, buffer, lenp, ppos);
if (rc == 0 && write && *valp != old_val) {
@@ -202,6 +208,8 @@ static int mac_hid_toggle_emumouse(ctl_table *table, int write,
if (rc)
*valp = old_val;
+ mutex_unlock(&mac_hid_emumouse_mutex);
+
return rc;
}