Input: Add proper locking when changing device's keymap
Take dev->event_lock to make sure that we don't race with input_event() and
also force key up event when removing a key from keymap table.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index e5b4e9b..0727b0a 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -617,7 +617,7 @@
if (get_user(t, ip))
return -EFAULT;
- error = dev->getkeycode(dev, t, &v);
+ error = input_get_keycode(dev, t, &v);
if (error)
return error;
@@ -630,7 +630,7 @@
if (get_user(t, ip) || get_user(v, ip + 1))
return -EFAULT;
- return dev->setkeycode(dev, t, v);
+ return input_set_keycode(dev, t, v);
case EVIOCSFF:
if (copy_from_user(&effect, p, sizeof(effect)))
@@ -683,7 +683,7 @@
case EV_FF: bits = dev->ffbit; len = FF_MAX; break;
case EV_SW: bits = dev->swbit; len = SW_MAX; break;
default: return -EINVAL;
- }
+ }
return bits_to_user(bits, len, _IOC_SIZE(cmd), p, compat_mode);
}