diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 91571015521c..3085a2762f6d 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -1234,7 +1234,7 @@ static ssize_t alsa_show(struct device *dev,
 
 	if (fi_midi && fi_midi->f) {
 		midi = func_to_midi(fi_midi->f);
-		if (midi->rmidi && midi->rmidi->card)
+		if (midi->rmidi && midi->card && midi->rmidi->card)
 			return sprintf(buf, "%d %d\n",
 			midi->rmidi->card->number, midi->rmidi->device);
 	}