diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 3bec6f3b1c7f..8dfc9ec9590d 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -111,6 +111,7 @@ enum {
 
 #define WL1271_FW_NAME "wl1271-fw.bin"
 #define WL1271_NVS_NAME "wl1271-nvs.bin"
+#define WL1271_NVS_LEN  468
 
 /*
  * Enable/disable 802.11a support for WL1273
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index b7c96454cca3..e803b876f3f0 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -225,9 +225,15 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
 	if (nvs == NULL)
 		return -ENODEV;
 
+	if (wl->nvs_len < WL1271_NVS_LEN)
+		return -EINVAL;
+
 	nvs_ptr = nvs;
 
-	nvs_len = wl->nvs_len;
+	/* only the first part of the NVS needs to be uploaded */
+	nvs_len = WL1271_NVS_LEN;
+
+	/* FIXME: read init settings from the remaining part of the NVS */
 
 	/* Update the device MAC address into the nvs */
 	nvs[11] = wl->mac_addr[0];