[ALSA] unregister platform devices
Call platform_device_unregister() for all platform devices that we've
registered.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
diff --git a/sound/drivers/serial-u16550.c b/sound/drivers/serial-u16550.c
index 3381a43..29676d8 100644
--- a/sound/drivers/serial-u16550.c
+++ b/sound/drivers/serial-u16550.c
@@ -168,6 +168,8 @@
} snd_uart16550_t;
+static struct platform_device *devices[SNDRV_CARDS];
+
static inline void snd_uart16550_add_timer(snd_uart16550_t *uart)
{
if (! uart->timer_running) {
@@ -970,6 +972,15 @@
},
};
+static void __init_or_module snd_serial_unregister_all(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(devices); ++i)
+ platform_device_unregister(devices[i]);
+ platform_driver_unregister(&snd_serial_driver);
+}
+
static int __init alsa_card_serial_init(void)
{
int i, cards, err;
@@ -986,6 +997,7 @@
err = PTR_ERR(device);
goto errout;
}
+ devices[i] = device;
cards++;
}
if (! cards) {
@@ -998,13 +1010,13 @@
return 0;
errout:
- platform_driver_unregister(&snd_serial_driver);
+ snd_serial_unregister_all();
return err;
}
static void __exit alsa_card_serial_exit(void)
{
- platform_driver_unregister(&snd_serial_driver);
+ snd_serial_unregister_all();
}
module_init(alsa_card_serial_init)