1 files changed, 4 insertions, 0 deletions

diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 20c54f7531a9..78f6ab5dbdd8 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -6399,6 +6399,10 @@ static int __devinit snd_hdspm_create(struct snd_card *card,
                 hdspm->card_name = "RME AES32";
                 hdspm->midiPorts = 2;
                 break;
+        default:
+                snd_printk(KERN_ERR "HDSPM: unknown firmware revision %x\n",
+                                hdspm->firmware_rev);
+                return -ENODEV;
         }
 
         err = pci_enable_device(pci);