ALSA: Kill snd_assert() in other places

Kill snd_assert() in other places, either removed or replaced with
if () with snd_BUG_ON().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/i2c/i2c.c b/sound/i2c/i2c.c
index b1e74e4..5c0c77d 100644
--- a/sound/i2c/i2c.c
+++ b/sound/i2c/i2c.c
@@ -49,7 +49,8 @@
 	struct snd_i2c_bus *slave;
 	struct snd_i2c_device *device;
 
-	snd_assert(bus != NULL, return -EINVAL);
+	if (snd_BUG_ON(!bus))
+		return -EINVAL;
 	while (!list_empty(&bus->devices)) {
 		device = snd_i2c_device(bus->devices.next);
 		snd_i2c_device_free(device);
@@ -113,7 +114,8 @@
 	struct snd_i2c_device *device;
 
 	*rdevice = NULL;
-	snd_assert(bus != NULL, return -EINVAL);
+	if (snd_BUG_ON(!bus))
+		return -EINVAL;
 	device = kzalloc(sizeof(*device), GFP_KERNEL);
 	if (device == NULL)
 		return -ENOMEM;