diff -ur madwifi-trunk-r3314/ath/if_ath_ahb.c madwifi-trunk-r3314.patched/ath/if_ath_ahb.c
--- madwifi-trunk-r3314/ath/if_ath_ahb.c	2009-05-17 22:16:05.000000000 +0300
+++ madwifi-trunk-r3314.patched/ath/if_ath_ahb.c	2009-05-17 22:15:47.000000000 +0300
@@ -376,6 +376,11 @@
 	SET_MODULE_OWNER(dev);
 	sclist[wlanNum] = sc;
 
+	if (dev_alloc_name(dev, dev->name) < 0) {
+		printk(KERN_ERR "%s: cannot allocate name\n", dev_info);
+		goto bad3;
+	}
+
 	switch (wlanNum) {
 	case AR531X_WLAN0_NUM:
 		if (((devid & AR5315_REV_MAJ_M) == AR5315_REV_MAJ) ||
diff -ur madwifi-trunk-r3314/ath/if_ath_pci.c madwifi-trunk-r3314.patched/ath/if_ath_pci.c
--- madwifi-trunk-r3314/ath/if_ath_pci.c	2009-05-17 22:16:05.000000000 +0300
+++ madwifi-trunk-r3314.patched/ath/if_ath_pci.c	2009-05-17 22:15:47.000000000 +0300
@@ -209,6 +209,11 @@
 	 */
 	sc->aps_sc.sc_invalid = 1;
 
+	if (dev_alloc_name(dev, dev->name) < 0) {
+		printk(KERN_ERR "%s: cannot allocate name\n", dev_info);
+		goto bad3;
+	}
+
 	dev->irq = pdev->irq;
 
 	SET_MODULE_OWNER(dev);