diff --git a/sound/usb/fcp.c b/sound/usb/fcp.c
index 6f5dcd35e1d4..8f52a3dc9ec3 100644
--- a/sound/usb/fcp.c
+++ b/sound/usb/fcp.c
@@ -486,7 +486,7 @@ static int fcp_ioctl_init(struct usb_mixer_interface *mixer,
 	buf_size = init.step0_resp_size + init.step2_resp_size;
 
 	void *resp __free(kfree) =
-		kmalloc(buf_size, GFP_KERNEL);
+		kzalloc(buf_size, GFP_KERNEL);
 	if (!resp)
 		return -ENOMEM;
 
@@ -1022,6 +1022,8 @@ static int fcp_init(struct usb_mixer_interface *mixer,
 		step0_resp, private->step0_resp_size);
 	if (err < 0)
 		return err;
+	if (err != private->step0_resp_size)
+		return -EIO;
 
 	err = fcp_init_notify(mixer);
 	if (err < 0)