diff --git a/sound/core/control_compat.c b/sound/core/control_compat.c
index 6101259..368dc9c 100644
--- a/sound/core/control_compat.c
+++ b/sound/core/control_compat.c
@@ -398,7 +398,8 @@
 	int err;
 
 	ctl = file->private_data;
-	snd_assert(ctl && ctl->card, return -ENXIO);
+	if (snd_BUG_ON(!ctl || !ctl->card))
+		return -ENXIO;
 
 	switch (cmd) {
 	case SNDRV_CTL_IOCTL_PVERSION: