diff --git a/sound/isa/sb/sb_mixer.c b/sound/isa/sb/sb_mixer.c
index 73d4572..406a431 100644
--- a/sound/isa/sb/sb_mixer.c
+++ b/sound/isa/sb/sb_mixer.c
@@ -792,7 +792,8 @@
 	struct snd_card *card;
 	int err;
 
-	snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
+	if (snd_BUG_ON(!chip || !chip->card))
+		return -EINVAL;
 
 	card = chip->card;
 
@@ -925,7 +926,8 @@
 static void save_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
 {
 	unsigned char *val = chip->saved_regs;
-	snd_assert(num_regs <= ARRAY_SIZE(chip->saved_regs), return);
+	if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
+		return;
 	for (; num_regs; num_regs--)
 		*val++ = snd_sbmixer_read(chip, *regs++);
 }
@@ -933,7 +935,8 @@
 static void restore_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
 {
 	unsigned char *val = chip->saved_regs;
-	snd_assert(num_regs <= ARRAY_SIZE(chip->saved_regs), return);
+	if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
+		return;
 	for (; num_regs; num_regs--)
 		snd_sbmixer_write(chip, *regs++, *val++);
 }