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/drivers/opl3/opl3_oss.c b/sound/drivers/opl3/opl3_oss.c
index 239347f..9a2271d 100644
--- a/sound/drivers/opl3/opl3_oss.c
+++ b/sound/drivers/opl3/opl3_oss.c
@@ -162,7 +162,8 @@
 	struct snd_opl3 *opl3 = closure;
 	int err;
 
-	snd_assert(arg != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg))
+		return -ENXIO;
 
 	if ((err = snd_opl3_synth_setup(opl3)) < 0)
 		return err;
@@ -184,7 +185,8 @@
 {
 	struct snd_opl3 *opl3;
 
-	snd_assert(arg != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg))
+		return -ENXIO;
 	opl3 = arg->private_data;
 
 	snd_opl3_synth_cleanup(opl3);
@@ -206,7 +208,8 @@
 	char name[32];
 	int err, type;
 
-	snd_assert(arg != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg))
+		return -ENXIO;
 	opl3 = arg->private_data;
 
 	if (format == FM_PATCH)
@@ -246,7 +249,8 @@
 {
 	struct snd_opl3 *opl3;
 
-	snd_assert(arg != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg))
+		return -ENXIO;
 	opl3 = arg->private_data;
 	switch (cmd) {
 		case SNDCTL_FM_LOAD_INSTR:
@@ -271,7 +275,8 @@
 {
 	struct snd_opl3 *opl3;
 
-	snd_assert(arg != NULL, return -ENXIO);
+	if (snd_BUG_ON(!arg))
+		return -ENXIO;
 	opl3 = arg->private_data;
 
 	return 0;