diff --git a/sys/dev/ath/if_ath_pci.c b/sys/dev/ath/if_ath_pci.c
index d11f9293287..a3e001b43b6 100644
--- a/sys/dev/ath/if_ath_pci.c
+++ b/sys/dev/ath/if_ath_pci.c
@@ -196,8 +196,8 @@ ath_pci_attach(device_t dev)
 	ATH_LOCK_INIT(sc);
 
 	error = ath_attach(pci_get_device(dev), sc);
-	if (error == 0)
-		return error;
+	if (error == 0)					/* success */
+		return 0;
 
 	ATH_LOCK_DESTROY(sc);
 	bus_dma_tag_destroy(sc->sc_dmat);